104404415643 has 48 divisors (see below), whose sum is σ = 170770384512. Its totient is φ = 63215640000.

The previous prime is 104404415639. The next prime is 104404415659. The reversal of 104404415643 is 346514404401.

104404415643 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 0 + 4 + 4 + 1 + 5 + 643 = 666.

It is not a de Polignac number, because 104404415643 - 2² = 104404415639 is a prime.

It is a super-3 number, since 3×104404415643³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104404415598 and 104404415607.

It is not an unprimeable number, because it can be changed into a prime (104404415623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2898343 + ... + 2934143.

It is an arithmetic number, because the mean of its divisors is an integer number (3557716344).

Almost surely, 2^104404415643 is an apocalyptic number.

104404415643 is a deficient number, since it is larger than the sum of its proper divisors (66365968869).

104404415643 is a wasteful number, since it uses less digits than its factorization.

104404415643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36918 (or 36906 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 104404415643 in words is "one hundred four billion, four hundred four million, four hundred fifteen thousand, six hundred forty-three".