42856132 has 12 divisors (see below), whose sum is σ = 81816336. Its totient is φ = 19480040.

The previous prime is 42856127. The next prime is 42856141. The reversal of 42856132 is 23165824.

It is a junction number, because it is equal to n+sod(n) for n = 42856094 and 42856103.

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, 486958 + ... + 487045.

It is an arithmetic number, because the mean of its divisors is an integer number (6818028).

Almost surely, 2^42856132 is an apocalyptic number.

It is an amenable number.

42856132 is a deficient number, since it is larger than the sum of its proper divisors (38960204).

42856132 is a wasteful number, since it uses less digits than its factorization.

42856132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974018 (or 974016 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 42856132 is about 6546.4595011349. The cubic root of 42856132 is about 349.9486509703.

The spelling of 42856132 in words is "forty-two million, eight hundred fifty-six thousand, one hundred thirty-two".