18396074880 has 96 divisors (see below), whose sum is σ = 63523965960. Its totient is φ = 4905618432.

The previous prime is 18396074869. The next prime is 18396074887. The reversal of 18396074880 is 8847069381.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18396074887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591122 + ... + 1602641.

Almost surely, 2^18396074880 is an apocalyptic number.

18396074880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18396074880 is an abundant number, since it is smaller than the sum of its proper divisors (45127891080).

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

18396074880 is a wasteful number, since it uses less digits than its factorization.

18396074880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193788 (or 3193773 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

It can be divided in two parts, 183960 and 74880, that added together give a triangular number (258840 = T₇₁₉).

The spelling of 18396074880 in words is "eighteen billion, three hundred ninety-six million, seventy-four thousand, eight hundred eighty".