18848538880 has 36 divisors (see below), whose sum is σ = 45148143852. Its totient is φ = 7539415040.

The previous prime is 18848538851. The next prime is 18848538937. The reversal of 18848538880 is 8883584881.

It can be written as a sum of positive squares in 2 ways, for example, as 9751957504 + 9096581376 = 98752^2 + 95376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7361431 + ... + 7363990.

It is an arithmetic number, because the mean of its divisors is an integer number (1254115107).

Almost surely, 2^18848538880 is an apocalyptic number.

18848538880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18848538880 is an abundant number, since it is smaller than the sum of its proper divisors (26299604972).

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

18848538880 is an equidigital number, since it uses as much as digits as its factorization.

18848538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14725442 (or 14725428 counting only the distinct ones).

The product of its (nonzero) digits is 15728640, while the sum is 61.

The spelling of 18848538880 in words is "eighteen billion, eight hundred forty-eight million, five hundred thirty-eight thousand, eight hundred eighty".