18480929936 has 40 divisors (see below), whose sum is σ = 40931975424. Its totient is φ = 7918479360.

The previous prime is 18480929933. The next prime is 18480929969. The reversal of 18480929936 is 63992908481.

It is not an unprimeable number, because it can be changed into a prime (18480929933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505721 + ... + 541031.

Almost surely, 2^18480929936 is an apocalyptic number.

18480929936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18480929936 is an abundant number, since it is smaller than the sum of its proper divisors (22451045488).

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

18480929936 is a wasteful number, since it uses less digits than its factorization.

18480929936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39999 (or 39993 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 18480929936 in words is "eighteen billion, four hundred eighty million, nine hundred twenty-nine thousand, nine hundred thirty-six".