879252440 has 32 divisors (see below), whose sum is σ = 2158166160. Its totient is φ = 319728000.

The previous prime is 879252401. The next prime is 879252463. The reversal of 879252440 is 44252978.

It is a congruent number.

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, 998711 + ... + 999590.

Almost surely, 2^879252440 is an apocalyptic number.

It is an amenable number.

879252440 is an abundant number, since it is smaller than the sum of its proper divisors (1278913720).

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

879252440 is a wasteful number, since it uses less digits than its factorization.

879252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998323 (or 1998319 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 879252440 is about 29652.1911500651. The cubic root of 879252440 is about 958.0125404599.

The spelling of 879252440 in words is "eight hundred seventy-nine million, two hundred fifty-two thousand, four hundred forty".