18800000880 has 40 divisors (see below), whose sum is σ = 58280003472. Its totient is φ = 5013333504.

The previous prime is 18800000873. The next prime is 18800000899. The reversal of 18800000880 is 8800000881.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39166429 + ... + 39166908.

Almost surely, 2^18800000880 is an apocalyptic number.

18800000880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18800000880 is an abundant number, since it is smaller than the sum of its proper divisors (39480002592).

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

18800000880 is a wasteful number, since it uses less digits than its factorization.

18800000880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78333353 (or 78333347 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

Subtracting from 18800000880 its reverse (8800000881), we obtain a palindrome (9999999999).

The spelling of 18800000880 in words is "eighteen billion, eight hundred million, eight hundred eighty", and thus it is an aban number.