18393760940 has 96 divisors (see below), whose sum is σ = 39803400000. Its totient is φ = 7137492992.

The previous prime is 18393760921. The next prime is 18393760993. The reversal of 18393760940 is 4906739381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40965836 + ... + 40966284.

It is an arithmetic number, because the mean of its divisors is an integer number (414618750).

Almost surely, 2^18393760940 is an apocalyptic number.

18393760940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18393760940 is an abundant number, since it is smaller than the sum of its proper divisors (21409639060).

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

18393760940 is a wasteful number, since it uses less digits than its factorization.

18393760940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 18393760940 in words is "eighteen billion, three hundred ninety-three million, seven hundred sixty thousand, nine hundred forty".