18788607492 has 48 divisors (see below), whose sum is σ = 44072378112. Its totient is φ = 6229735200.

The previous prime is 18788607443. The next prime is 18788607527. The reversal of 18788607492 is 29470688781.

It is an unprimeable number.

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, 4037367 + ... + 4042017.

It is an arithmetic number, because the mean of its divisors is an integer number (918174544).

Almost surely, 2^18788607492 is an apocalyptic number.

18788607492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18788607492 is an abundant number, since it is smaller than the sum of its proper divisors (25283770620).

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

18788607492 is a wasteful number, since it uses less digits than its factorization.

18788607492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 18788607492 in words is "eighteen billion, seven hundred eighty-eight million, six hundred seven thousand, four hundred ninety-two".