42455492 has 24 divisors (see below), whose sum is σ = 77575680. Its totient is φ = 20306880.

The previous prime is 42455489. The next prime is 42455503. The reversal of 42455492 is 29455424.

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, 9113 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (3232320).

Almost surely, 2^42455492 is an apocalyptic number.

It is an amenable number.

42455492 is a deficient number, since it is larger than the sum of its proper divisors (35120188).

42455492 is a wasteful number, since it uses less digits than its factorization.

42455492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971 (or 3969 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 42455492 is about 6515.7879032393. The cubic root of 42455492 is about 348.8547382215.

The spelling of 42455492 in words is "forty-two million, four hundred fifty-five thousand, four hundred ninety-two".