42456028 has 12 divisors (see below), whose sum is σ = 74503072. Its totient is φ = 21169440.

The previous prime is 42456017. The next prime is 42456041. The reversal of 42456028 is 82065424.

It is a congruent number.

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, 12993 + ... + 15928.

Almost surely, 2^42456028 is an apocalyptic number.

It is an amenable number.

42456028 is a deficient number, since it is larger than the sum of its proper divisors (32047044).

42456028 is a wasteful number, since it uses less digits than its factorization.

42456028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29292 (or 29290 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 42456028 is about 6515.8290339756. The cubic root of 42456028 is about 348.8562063107.

The spelling of 42456028 in words is "forty-two million, four hundred fifty-six thousand, twenty-eight".