42540504 has 32 divisors (see below), whose sum is σ = 106513920. Its totient is φ = 14158496.

The previous prime is 42540497. The next prime is 42540517. The reversal of 42540504 is 40504524.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 25669 + ... + 27275.

It is an arithmetic number, because the mean of its divisors is an integer number (3328560).

Almost surely, 2^42540504 is an apocalyptic number.

It is an amenable number.

42540504 is an abundant number, since it is smaller than the sum of its proper divisors (63973416).

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

42540504 is a wasteful number, since it uses less digits than its factorization.

42540504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42540504 is about 6522.3081803914. The cubic root of 42540504 is about 349.0874294851.

The spelling of 42540504 in words is "forty-two million, five hundred forty thousand, five hundred four".