42002528 has 12 divisors (see below), whose sum is σ = 82692540. Its totient is φ = 21001248.

The previous prime is 42002509. The next prime is 42002539. The reversal of 42002528 is 82520024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656258 + ... + 656321.

It is an arithmetic number, because the mean of its divisors is an integer number (6891045).

Almost surely, 2^42002528 is an apocalyptic number.

It is an amenable number.

42002528 is a deficient number, since it is larger than the sum of its proper divisors (40690012).

42002528 is a wasteful number, since it uses less digits than its factorization.

42002528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312589 (or 1312581 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 42002528 is about 6480.9357349074. The cubic root of 42002528 is about 347.6096384720.

The spelling of 42002528 in words is "forty-two million, two thousand, five hundred twenty-eight".