52404456497280 has 256 divisors, whose sum is σ = 167811237216000. Its totient is φ = 13910012854272.

The previous prime is 52404456497257. The next prime is 52404456497297. The reversal of 52404456497280 is 8279465440425.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690284604 + ... + 690360516.

It is an arithmetic number, because the mean of its divisors is an integer number (655512645375).

Almost surely, 2^{52404456497280} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52404456497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83905618608000).

52404456497280 is an abundant number, since it is smaller than the sum of its proper divisors (115406780718720).

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

52404456497280 is a wasteful number, since it uses less digits than its factorization.

52404456497280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77591 (or 77579 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 60.

The spelling of 52404456497280 in words is "fifty-two trillion, four hundred four billion, four hundred fifty-six million, four hundred ninety-seven thousand, two hundred eighty".