104977706640 has 40 divisors (see below), whose sum is σ = 325430891328. Its totient is φ = 27994055040.

The previous prime is 104977706633. The next prime is 104977706653. The reversal of 104977706640 is 46607779401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×104977706640² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218703316 + ... + 218703795.

Almost surely, 2^104977706640 is an apocalyptic number.

104977706640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104977706640 is an abundant number, since it is smaller than the sum of its proper divisors (220453184688).

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

104977706640 is a wasteful number, since it uses less digits than its factorization.

104977706640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437407127 (or 437407121 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 104977706640 in words is "one hundred four billion, nine hundred seventy-seven million, seven hundred six thousand, six hundred forty".