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40030032552 = 2335938972673
BaseRepresentation
bin100101010001111110…
…011101001010101000
310211022202120100102020
4211101332131022220
51123440142020202
630220050304440
72614660443156
oct452176351250
9124282510366
1040030032552
1115a81a00a34
127911b88120
133a0c3692c3
141d1a5883d6
15109446a5bc
hex951f9d2a8

40030032552 has 64 divisors (see below), whose sum is σ = 102034296000. Its totient is φ = 13083285504.

The previous prime is 40030032547. The next prime is 40030032569. The reversal of 40030032552 is 25523003004.

40030032552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×400300325522 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514488 + ... + 587160.

It is an arithmetic number, because the mean of its divisors is an integer number (1594285875).

Almost surely, 240030032552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40030032552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51017148000).

40030032552 is an abundant number, since it is smaller than the sum of its proper divisors (62004263448).

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

40030032552 is a wasteful number, since it uses less digits than its factorization.

40030032552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73130 (or 73126 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 40030032552 its reverse (25523003004), we get a palindrome (65553035556).

The spelling of 40030032552 in words is "forty billion, thirty million, thirty-two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 389 472 708 778 1167 1416 1556 2334 3112 4668 9336 22951 45902 68853 72673 91804 137706 145346 183608 218019 275412 290692 436038 550824 581384 872076 1744152 4287707 8575414 12863121 17150828 25726242 28269797 34301656 51452484 56539594 84809391 102904968 113079188 169618782 226158376 339237564 678475128 1667918023 3335836046 5003754069 6671672092 10007508138 13343344184 20015016276 40030032552