42624620 has 12 divisors (see below), whose sum is σ = 89511744. Its totient is φ = 17049840.

The previous prime is 42624599. The next prime is 42624671. The reversal of 42624620 is 2642624.

It is a self number, because there is not a number n which added to its sum of digits gives 42624620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065596 + ... + 1065635.

It is an arithmetic number, because the mean of its divisors is an integer number (7459312).

Almost surely, 2^42624620 is an apocalyptic number.

It is an amenable number.

42624620 is an abundant number, since it is smaller than the sum of its proper divisors (46887124).

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

42624620 is a wasteful number, since it uses less digits than its factorization.

42624620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131240 (or 2131238 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42624620 is about 6528.7533266314. The cubic root of 42624620 is about 349.3173633351.

The spelling of 42624620 in words is "forty-two million, six hundred twenty-four thousand, six hundred twenty".