15790747649040 has 400 divisors, whose sum is σ = 67499825234688. Its totient is φ = 3331674104832.

The previous prime is 15790747649021. The next prime is 15790747649057. The reversal of 15790747649040 is 4094674709751.

15790747649040 is a `hidden beast` number, since 1 + 5 + 7 + 9 + 0 + 74 + 76 + 490 + 4 + 0 = 666.

It is a super-2 number, since 2×15790747649040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12799572 + ... + 13978931.

Almost surely, 2^{15790747649040} is an apocalyptic number.

15790747649040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15790747649040 is an abundant number, since it is smaller than the sum of its proper divisors (51709077585648).

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

15790747649040 is a wasteful number, since it uses less digits than its factorization.

15790747649040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26778548 (or 26778533 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 15790747649040 in words is "fifteen trillion, seven hundred ninety billion, seven hundred forty-seven million, six hundred forty-nine thousand, forty".