18723880960 has 240 divisors, whose sum is σ = 47486460672. Its totient is φ = 7077888000.

The previous prime is 18723880951. The next prime is 18723881017. The reversal of 18723880960 is 6908832781.

It is a junction number, because it is equal to n+sod(n) for n = 18723880898 and 18723880907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185384910 + ... + 185385010.

Almost surely, 2^18723880960 is an apocalyptic number.

18723880960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18723880960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23743230336).

18723880960 is an abundant number, since it is smaller than the sum of its proper divisors (28762579712).

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

18723880960 is an equidigital number, since it uses as much as digits as its factorization.

18723880960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 18723880960 in words is "eighteen billion, seven hundred twenty-three million, eight hundred eighty thousand, nine hundred sixty".