18464901290 has 48 divisors (see below), whose sum is σ = 38455875360. Its totient is φ = 6361106400.

The previous prime is 18464901277. The next prime is 18464901307. The reversal of 18464901290 is 9210946481.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378596 + ... + 424575.

It is an arithmetic number, because the mean of its divisors is an integer number (801164070).

Almost surely, 2^18464901290 is an apocalyptic number.

18464901290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18464901290 is an abundant number, since it is smaller than the sum of its proper divisors (19990974070).

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

18464901290 is a wasteful number, since it uses less digits than its factorization.

18464901290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803219 (or 803208 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 18464901290 in words is "eighteen billion, four hundred sixty-four million, nine hundred one thousand, two hundred ninety".