18454789260 has 72 divisors (see below), whose sum is σ = 55990967760. Its totient is φ = 4920271488.

The previous prime is 18454789253. The next prime is 18454789271. The reversal of 18454789260 is 6298745481.

It is a happy number.

18454789260 is a `hidden beast` number, since 1 + 8 + 4 + 547 + 8 + 92 + 6 + 0 = 666.

It is a super-2 number, since 2×18454789260² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18454789197 and 18454789206.

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, 1395439 + ... + 1408601.

It is an arithmetic number, because the mean of its divisors is an integer number (777652330).

Almost surely, 2^18454789260 is an apocalyptic number.

18454789260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18454789260 is an abundant number, since it is smaller than the sum of its proper divisors (37536178500).

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

18454789260 is a wasteful number, since it uses less digits than its factorization.

18454789260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20967 (or 20962 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 18454789260 in words is "eighteen billion, four hundred fifty-four million, seven hundred eighty-nine thousand, two hundred sixty".