42625501604 has 18 divisors (see below), whose sum is σ = 86773342950. Its totient is φ = 18268072032.

The previous prime is 42625501573. The next prime is 42625501637. The reversal of 42625501604 is 40610552624.

42625501604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41123784100 + 1501717504 = 202790^2 + 38752^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108738329 + ... + 108738720.

It is an arithmetic number, because the mean of its divisors is an integer number (4820741275).

Almost surely, 2^42625501604 is an apocalyptic number.

It is an amenable number.

42625501604 is an abundant number, since it is smaller than the sum of its proper divisors (44147841346).

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

42625501604 is a wasteful number, since it uses less digits than its factorization.

42625501604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217477067 (or 217477058 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 42625501604 in words is "forty-two billion, six hundred twenty-five million, five hundred one thousand, six hundred four".