815882052004 has 48 divisors (see below), whose sum is σ = 1488377822400. Its totient is φ = 390990528000.

The previous prime is 815882051981. The next prime is 815882052017. The reversal of 815882052004 is 400250288518.

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, 15251704 + ... + 15305104.

It is an arithmetic number, because the mean of its divisors is an integer number (31007871300).

Almost surely, 2^815882052004 is an apocalyptic number.

It is an amenable number.

815882052004 is a deficient number, since it is larger than the sum of its proper divisors (672495770396).

815882052004 is a wasteful number, since it uses less digits than its factorization.

815882052004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55084 (or 55082 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 43.

The spelling of 815882052004 in words is "eight hundred fifteen billion, eight hundred eighty-two million, fifty-two thousand, four".