18770419008 has 140 divisors (see below), whose sum is σ = 60699895872. Its totient is φ = 5687988480.

The previous prime is 18770418973. The next prime is 18770419009. The reversal of 18770419008 is 80091407781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18770419009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107560 + ... + 221607.

Almost surely, 2^18770419008 is an apocalyptic number.

18770419008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18770419008 is an abundant number, since it is smaller than the sum of its proper divisors (41929476864).

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

18770419008 is a wasteful number, since it uses less digits than its factorization.

18770419008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329202 (or 329183 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 18770419008 in words is "eighteen billion, seven hundred seventy million, four hundred nineteen thousand, eight".