18260009404 has 24 divisors (see below), whose sum is σ = 39329251808. Its totient is φ = 7223739840.

The previous prime is 18260009393. The next prime is 18260009461. The reversal of 18260009404 is 40490006281.

It is a self number, because there is not a number n which added to its sum of digits gives 18260009404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25082067 + ... + 25082794.

Almost surely, 2^18260009404 is an apocalyptic number.

18260009404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18260009404 is an abundant number, since it is smaller than the sum of its proper divisors (21069242404).

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

18260009404 is a wasteful number, since it uses less digits than its factorization.

18260009404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50164885 (or 50164883 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 18260009404 in words is "eighteen billion, two hundred sixty million, nine thousand, four hundred four".