18672392050 has 48 divisors (see below), whose sum is σ = 37430104320. Its totient is φ = 6889285440.

The previous prime is 18672392029. The next prime is 18672392071. The reversal of 18672392050 is 5029327681.

It is an interprime number because it is at equal distance from previous prime (18672392029) and next prime (18672392071).

It is a junction number, because it is equal to n+sod(n) for n = 18672391988 and 18672392006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925369 + ... + 945331.

It is an arithmetic number, because the mean of its divisors is an integer number (779793840).

Almost surely, 2^18672392050 is an apocalyptic number.

18672392050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18672392050 is an abundant number, since it is smaller than the sum of its proper divisors (18757712270).

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

18672392050 is a wasteful number, since it uses less digits than its factorization.

18672392050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21427 (or 21422 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 18672392050 in words is "eighteen billion, six hundred seventy-two million, three hundred ninety-two thousand, fifty".