72854516514440 has 16 divisors (see below), whose sum is σ = 163922662157580. Its totient is φ = 29141806605760.

The previous prime is 72854516514413. The next prime is 72854516514467. The reversal of 72854516514440 is 4441561545827.

72854516514440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (72854516514413) and next prime (72854516514467).

It can be written as a sum of positive squares in 2 ways, for example, as 72289887503716 + 564629010724 = 8502346^2 + 751418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910681456391 + ... + 910681456470.

Almost surely, 2^{72854516514440} is an apocalyptic number.

It is an amenable number.

72854516514440 is an abundant number, since it is smaller than the sum of its proper divisors (91068145643140).

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

72854516514440 is a wasteful number, since it uses less digits than its factorization.

72854516514440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821362912872 (or 1821362912868 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 56.

The spelling of 72854516514440 in words is "seventy-two trillion, eight hundred fifty-four billion, five hundred sixteen million, five hundred fourteen thousand, four hundred forty".