42888628 has 12 divisors (see below), whose sum is σ = 76652352. Its totient is φ = 20987960.

The previous prime is 42888619. The next prime is 42888641. The reversal of 42888628 is 82688824.

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, 113878 + ... + 114253.

It is an arithmetic number, because the mean of its divisors is an integer number (6387696).

Almost surely, 2^42888628 is an apocalyptic number.

It is an amenable number.

42888628 is a deficient number, since it is larger than the sum of its proper divisors (33763724).

42888628 is a wasteful number, since it uses less digits than its factorization.

42888628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228182 (or 228180 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 42888628 is about 6548.9409830903. The cubic root of 42888628 is about 350.0370790649.

The spelling of 42888628 in words is "forty-two million, eight hundred eighty-eight thousand, six hundred twenty-eight".