855732942 has 12 divisors (see below), whose sum is σ = 1854088080. Its totient is φ = 285244308.

The previous prime is 855732881. The next prime is 855732971. The reversal of 855732942 is 249237558.

855732942 is a `hidden beast` number, since 8 + 557 + 3 + 2 + 94 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23770342 + ... + 23770377.

It is an arithmetic number, because the mean of its divisors is an integer number (154507340).

Almost surely, 2^855732942 is an apocalyptic number.

855732942 is an abundant number, since it is smaller than the sum of its proper divisors (998355138).

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

855732942 is a wasteful number, since it uses less digits than its factorization.

855732942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47540727 (or 47540724 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 855732942 is about 29252.9133933699. The cubic root of 855732942 is about 949.3931274551.

The spelling of 855732942 in words is "eight hundred fifty-five million, seven hundred thirty-two thousand, nine hundred forty-two".