18625426404 has 48 divisors (see below), whose sum is σ = 48837247872. Its totient is φ = 5481729792.

The previous prime is 18625426397. The next prime is 18625426409. The reversal of 18625426404 is 40462452681.

It is not an unprimeable number, because it can be changed into a prime (18625426409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591929 + ... + 2599104.

It is an arithmetic number, because the mean of its divisors is an integer number (1017442664).

Almost surely, 2^18625426404 is an apocalyptic number.

It is an amenable number.

18625426404 is an abundant number, since it is smaller than the sum of its proper divisors (30211821468).

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

18625426404 is a wasteful number, since it uses less digits than its factorization.

18625426404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191076 (or 5191074 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 18625426404 in words is "eighteen billion, six hundred twenty-five million, four hundred twenty-six thousand, four hundred four".