18058338780 has 48 divisors (see below), whose sum is σ = 50575601664. Its totient is φ = 4814390080.

The previous prime is 18058338737. The next prime is 18058338803. The reversal of 18058338780 is 8783385081.

It is a super-2 number, since 2×18058338780² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 229189 + ... + 297731.

It is an arithmetic number, because the mean of its divisors is an integer number (1053658368).

Almost surely, 2^18058338780 is an apocalyptic number.

18058338780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18058338780 is an abundant number, since it is smaller than the sum of its proper divisors (32517262884).

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

18058338780 is a wasteful number, since it uses less digits than its factorization.

18058338780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72946 (or 72944 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 18058338780 in words is "eighteen billion, fifty-eight million, three hundred thirty-eight thousand, seven hundred eighty".