18769474980 has 48 divisors (see below), whose sum is σ = 58393923840. Its totient is φ = 5005193184.

The previous prime is 18769474973. The next prime is 18769475041. The reversal of 18769474980 is 8947496781.

18769474980 is a `hidden beast` number, since 1 + 8 + 76 + 9 + 474 + 98 + 0 = 666.

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, 17378604 + ... + 17379683.

It is an arithmetic number, because the mean of its divisors is an integer number (1216540080).

Almost surely, 2^18769474980 is an apocalyptic number.

18769474980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18769474980 is an abundant number, since it is smaller than the sum of its proper divisors (39624448860).

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

18769474980 is a wasteful number, since it uses less digits than its factorization.

18769474980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34758305 (or 34758297 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 18769474980 in words is "eighteen billion, seven hundred sixty-nine million, four hundred seventy-four thousand, nine hundred eighty".