18996041480 has 64 divisors (see below), whose sum is σ = 46677254400. Its totient is φ = 6915121920.

The previous prime is 18996041473. The next prime is 18996041489. The reversal of 18996041480 is 8414069981.

It is not an unprimeable number, because it can be changed into a prime (18996041489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220340 + ... + 294179.

It is an arithmetic number, because the mean of its divisors is an integer number (729332100).

Almost surely, 2^18996041480 is an apocalyptic number.

18996041480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18996041480 is an abundant number, since it is smaller than the sum of its proper divisors (27681212920).

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

18996041480 is a wasteful number, since it uses less digits than its factorization.

18996041480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514614 (or 514610 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 18996041480 in words is "eighteen billion, nine hundred ninety-six million, forty-one thousand, four hundred eighty".