18392241924 has 81 divisors (see below), whose sum is σ = 54098703477. Its totient is φ = 5253298848.

The previous prime is 18392241871. The next prime is 18392241961. The reversal of 18392241924 is 42914229381.

The square root of 18392241924 is 135618.

It is a perfect power (a square), and thus also a powerful number.

18392241924 is a `hidden beast` number, since 18 + 392 + 241 + 9 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5532681924 + 12859560000 = 74382^2 + 113400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18392241924.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5694342 + ... + 5697570.

Almost surely, 2^18392241924 is an apocalyptic number.

18392241924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18392241924 is the 135618-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18392241924

18392241924 is an abundant number, since it is smaller than the sum of its proper divisors (35706461553).

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

18392241924 is an equidigital number, since it uses as much as digits as its factorization.

18392241924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482 (or 3241 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 18392241924 in words is "eighteen billion, three hundred ninety-two million, two hundred forty-one thousand, nine hundred twenty-four".