42904285761864 has 64 divisors (see below), whose sum is σ = 113203920672000. Its totient is φ = 13512973158720.

The previous prime is 42904285761859. The next prime is 42904285761899. The reversal of 42904285761864 is 46816758240924.

It is a junction number, because it is equal to n+sod(n) for n = 42904285761795 and 42904285761804.

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, 123954282 + ... + 124299929.

It is an arithmetic number, because the mean of its divisors is an integer number (1768811260500).

Almost surely, 2^{42904285761864} is an apocalyptic number.

It is an amenable number.

42904285761864 is an abundant number, since it is smaller than the sum of its proper divisors (70299634910136).

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

42904285761864 is a wasteful number, since it uses less digits than its factorization.

42904285761864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248254618 (or 248254614 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 42904285761864 in words is "forty-two trillion, nine hundred four billion, two hundred eighty-five million, seven hundred sixty-one thousand, eight hundred sixty-four".