42464856 has 32 divisors (see below), whose sum is σ = 121328640. Its totient is φ = 12132768.

The previous prime is 42464843. The next prime is 42464893. The reversal of 42464856 is 65846424.

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, 126216 + ... + 126551.

It is an arithmetic number, because the mean of its divisors is an integer number (3791520).

Almost surely, 2^42464856 is an apocalyptic number.

It is an amenable number.

42464856 is an abundant number, since it is smaller than the sum of its proper divisors (78863784).

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

42464856 is a wasteful number, since it uses less digits than its factorization.

42464856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252783 (or 252779 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 42464856 is about 6516.5064259924. The cubic root of 42464856 is about 348.8803841821.

The spelling of 42464856 in words is "forty-two million, four hundred sixty-four thousand, eight hundred fifty-six".