18731382760 has 16 divisors (see below), whose sum is σ = 42145611300. Its totient is φ = 7492553088.

The previous prime is 18731382751. The next prime is 18731382763. The reversal of 18731382760 is 6728313781.

It can be written as a sum of positive squares in 2 ways, for example, as 18729017316 + 2365444 = 136854^2 + 1538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18731382760.

It is not an unprimeable number, because it can be changed into a prime (18731382763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234142245 + ... + 234142324.

Almost surely, 2^18731382760 is an apocalyptic number.

18731382760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18731382760 is an abundant number, since it is smaller than the sum of its proper divisors (23414228540).

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

18731382760 is a wasteful number, since it uses less digits than its factorization.

18731382760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468284580 (or 468284576 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 18731382760 in words is "eighteen billion, seven hundred thirty-one million, three hundred eighty-two thousand, seven hundred sixty".