18614047360 has 48 divisors (see below), whose sum is σ = 44507459790. Its totient is φ = 7444238336.

The previous prime is 18614047321. The next prime is 18614047391. The reversal of 18614047360 is 6374041681.

It can be written as a sum of positive squares in 3 ways, for example, as 18415575616 + 198471744 = 135704^2 + 14088^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3448824 + ... + 3454216.

Almost surely, 2^18614047360 is an apocalyptic number.

18614047360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18614047360 is an abundant number, since it is smaller than the sum of its proper divisors (25893412430).

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

18614047360 is an frugal number, since it uses more digits than its factorization.

18614047360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805 (or 5400 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

Multiplying 18614047360 by its sum of digits (40), we get a square (744561894400 = 862880²).

18614047360 divided by its sum of digits (40) gives a square (465351184 = 21572²).

The spelling of 18614047360 in words is "eighteen billion, six hundred fourteen million, forty-seven thousand, three hundred sixty".