42656332 has 48 divisors (see below), whose sum is σ = 82978560. Its totient is φ = 19095552.

The previous prime is 42656321. The next prime is 42656353. The reversal of 42656332 is 23365624.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42656294 and 42656303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191173 + ... + 191395.

It is an arithmetic number, because the mean of its divisors is an integer number (1728720).

Almost surely, 2^42656332 is an apocalyptic number.

It is an amenable number.

42656332 is a deficient number, since it is larger than the sum of its proper divisors (40322228).

42656332 is a wasteful number, since it uses less digits than its factorization.

42656332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 42656332 is about 6531.1815163874. The cubic root of 42656332 is about 349.4039706072.

The spelling of 42656332 in words is "forty-two million, six hundred fifty-six thousand, three hundred thirty-two".