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34421210040 = 23357129131741
BaseRepresentation
bin100000000011101010…
…011111101110111000
310021211212120122101010
4200003222133232320
51030443312210130
623451325553520
72325663313020
oct400352375670
9107755518333
1034421210040
111366396a628
1268077158a0
133327343209
1419476c4a80
15d66d520b0
hex803a9fbb8

34421210040 has 128 divisors (see below), whose sum is σ = 118110712320. Its totient is φ = 7861363200.

The previous prime is 34421210039. The next prime is 34421210081. The reversal of 34421210040 is 4001212443.

34421210040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 34421209989 and 34421210016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068570 + ... + 1100310.

It is an arithmetic number, because the mean of its divisors is an integer number (922739940).

Almost surely, 234421210040 is an apocalyptic number.

34421210040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34421210040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59055356160).

34421210040 is an abundant number, since it is smaller than the sum of its proper divisors (83689502280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34421210040 is a wasteful number, since it uses less digits than its factorization.

34421210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33053 (or 33049 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 34421210040 its reverse (4001212443), we get a palindrome (38422422483).

The spelling of 34421210040 in words is "thirty-four billion, four hundred twenty-one million, two hundred ten thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1291 2582 3873 5164 6455 7746 9037 10328 12910 15492 18074 19365 25820 27111 30984 31741 36148 38730 45185 51640 54222 63482 72296 77460 90370 95223 108444 126964 135555 154920 158705 180740 190446 216888 222187 253928 271110 317410 361480 380892 444374 476115 542220 634820 666561 761784 888748 952230 1084440 1110935 1269640 1333122 1777496 1904460 2221870 2666244 3332805 3808920 4443740 5332488 6665610 8887480 13331220 26662440 40977631 81955262 122932893 163910524 204888155 245865786 286843417 327821048 409776310 491731572 573686834 614664465 819552620 860530251 983463144 1147373668 1229328930 1434217085 1639105240 1721060502 2294747336 2458657860 2868434170 3442121004 4302651255 4917315720 5736868340 6884242008 8605302510 11473736680 17210605020 34421210040