42490508 has 6 divisors (see below), whose sum is σ = 74358396. Its totient is φ = 21245252.

The previous prime is 42490507. The next prime is 42490523. The reversal of 42490508 is 80509424.

It is not an unprimeable number, because it can be changed into a prime (42490501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5311310 + ... + 5311317.

It is an arithmetic number, because the mean of its divisors is an integer number (12393066).

Almost surely, 2^42490508 is an apocalyptic number.

It is an amenable number.

42490508 is a deficient number, since it is larger than the sum of its proper divisors (31867888).

42490508 is a wasteful number, since it uses less digits than its factorization.

42490508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622631 (or 10622629 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 42490508 is about 6518.4743613824. The cubic root of 42490508 is about 348.9506201294.

The spelling of 42490508 in words is "forty-two million, four hundred ninety thousand, five hundred eight".