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4220053440 = 26354439923
BaseRepresentation
bin1111101110001000…
…1110011111000000
3101220002202221000120
43323202032133000
532120313202230
61534430220240
7206401601541
oct37342163700
911802687016
104220053440
111876123679
12999354680
135233aa555
142c06764c8
1519a741310
hexfb88e7c0

4220053440 has 112 divisors (see below), whose sum is σ = 13430268288. Its totient is φ = 1122694144.

The previous prime is 4220053433. The next prime is 4220053451. The reversal of 4220053440 is 443500224.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4220053440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420319 + ... + 430241.

Almost surely, 24220053440 is an apocalyptic number.

4220053440 is a gapful number since it is divisible by the number (40) 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 4220053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6715134144).

4220053440 is an abundant number, since it is smaller than the sum of its proper divisors (9210214848).

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

4220053440 is a wasteful number, since it uses less digits than its factorization.

4220053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386 (or 10376 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 4220053440 is about 64961.9383947246. The cubic root of 4220053440 is about 1615.9924108391.

Adding to 4220053440 its reverse (443500224), we get a palindrome (4663553664).

The spelling of 4220053440 in words is "four billion, two hundred twenty million, fifty-three thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 443 480 886 960 1329 1772 2215 2658 3544 4430 5316 6645 7088 8860 9923 10632 13290 14176 17720 19846 21264 26580 28352 29769 35440 39692 42528 49615 53160 59538 70880 79384 85056 99230 106320 119076 141760 148845 158768 198460 212640 238152 297690 317536 396920 425280 476304 595380 635072 793840 952608 1190760 1587680 1905216 2381520 3175360 4395889 4763040 8791778 9526080 13187667 17583556 21979445 26375334 35167112 43958890 52750668 65938335 70334224 87917780 105501336 131876670 140668448 175835560 211002672 263753340 281336896 351671120 422005344 527506680 703342240 844010688 1055013360 1406684480 2110026720 4220053440