18054381960432 has 60 divisors (see below), whose sum is σ = 50528040233320. Its totient is φ = 6018026523264.

The previous prime is 18054381960389. The next prime is 18054381960463. The reversal of 18054381960432 is 23406918345081.

It is a happy number.

18054381960432 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 43 + 81 + 96 + 0 + 432 = 666.

It is a super-2 number, since 2×18054381960432² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7837794 + ... + 9876222.

Almost surely, 2^{18054381960432} is an apocalyptic number.

18054381960432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18054381960432 is an abundant number, since it is smaller than the sum of its proper divisors (32473658272888).

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

18054381960432 is a wasteful number, since it uses less digits than its factorization.

18054381960432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099950 (or 2099941 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 18054381960432 in words is "eighteen trillion, fifty-four billion, three hundred eighty-one million, nine hundred sixty thousand, four hundred thirty-two".