42620504 has 16 divisors (see below), whose sum is σ = 80334720. Its totient is φ = 21197920.

The previous prime is 42620497. The next prime is 42620507. The reversal of 42620504 is 40502624.

It is a super-2 number, since 2×42620504² = 3633014722428032, which contains 22 as substring.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42620504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12419 + ... + 15474.

It is an arithmetic number, because the mean of its divisors is an integer number (5020920).

Almost surely, 2^42620504 is an apocalyptic number.

It is an amenable number.

42620504 is a deficient number, since it is larger than the sum of its proper divisors (37714216).

42620504 is a wasteful number, since it uses less digits than its factorization.

42620504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28090 (or 28086 counting only the distinct ones).

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

The square root of 42620504 is about 6528.4380980446. The cubic root of 42620504 is about 349.3061191563.

The spelling of 42620504 in words is "forty-two million, six hundred twenty thousand, five hundred four".