42490888 has 32 divisors (see below), whose sum is σ = 92028960. Its totient is φ = 18177280.

The previous prime is 42490849. The next prime is 42490907. The reversal of 42490888 is 88809424.

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, 12706 + ... + 15697.

It is an arithmetic number, because the mean of its divisors is an integer number (2875905).

Almost surely, 2^42490888 is an apocalyptic number.

It is an amenable number.

42490888 is an abundant number, since it is smaller than the sum of its proper divisors (49538072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42490888 is a wasteful number, since it uses less digits than its factorization.

42490888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28437 (or 28433 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 42490888 is about 6518.5035092420. The cubic root of 42490888 is about 348.9516603683.

The spelling of 42490888 in words is "forty-two million, four hundred ninety thousand, eight hundred eighty-eight".