18075490334784 has 175 divisors, whose sum is σ = 53802826699567. Its totient is φ = 6025163444928.

The previous prime is 18075490334777. The next prime is 18075490334807. The reversal of 18075490334784 is 48743309457081.

The square root of 18075490334784 is 4251528.

The cubic root of 18075490334784 is 26244.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

18075490334784 is a `hidden beast` number, since 1 + 8 + 0 + 7 + 549 + 0 + 3 + 3 + 4 + 7 + 84 = 666.

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=1458.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 6025163444927 + 6025163444928 + 6025163444929.

Almost surely, 2^{18075490334784} is an apocalyptic number.

18075490334784 is the 4251528-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18075490334784

18075490334784 is an abundant number, since it is smaller than the sum of its proper divisors (35727336364783).

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

18075490334784 is an frugal number, since it uses more digits than its factorization.

18075490334784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 18075490334784 in words is "eighteen trillion, seventy-five billion, four hundred ninety million, three hundred thirty-four thousand, seven hundred eighty-four".