42056464 has 20 divisors (see below), whose sum is σ = 81709056. Its totient is φ = 20970272.

The previous prime is 42056459. The next prime is 42056471. The reversal of 42056464 is 46465024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697 + ... + 9559.

Almost surely, 2^42056464 is an apocalyptic number.

It is an amenable number.

42056464 is a deficient number, since it is larger than the sum of its proper divisors (39652592).

42056464 is a wasteful number, since it uses less digits than its factorization.

42056464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254 (or 7248 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 42056464 is about 6485.0955274383. The cubic root of 42056464 is about 347.7583648696.

The spelling of 42056464 in words is "forty-two million, fifty-six thousand, four hundred sixty-four".