42602540 has 24 divisors (see below), whose sum is σ = 91884912. Its totient is φ = 16580160.

The previous prime is 42602519. The next prime is 42602563. The reversal of 42602540 is 4520624.

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, 28046 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (3828538).

Almost surely, 2^42602540 is an apocalyptic number.

It is an amenable number.

42602540 is an abundant number, since it is smaller than the sum of its proper divisors (49282372).

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

42602540 is a wasteful number, since it uses less digits than its factorization.

42602540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57617 (or 57615 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42602540 is about 6527.0621262556. The cubic root of 42602540 is about 349.2570362318.

The spelling of 42602540 in words is "forty-two million, six hundred two thousand, five hundred forty".