52439801280 has 224 divisors, whose sum is σ = 173968915968. Its totient is φ = 13357977600.

The previous prime is 52439801251. The next prime is 52439801311. The reversal of 52439801280 is 8210893425.

It is a congruent number.

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, 26075475 + ... + 26077485.

Almost surely, 2^52439801280 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 52439801280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86984457984).

52439801280 is an abundant number, since it is smaller than the sum of its proper divisors (121529114688).

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

52439801280 is a wasteful number, since it uses less digits than its factorization.

52439801280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 52439801280 in words is "fifty-two billion, four hundred thirty-nine million, eight hundred one thousand, two hundred eighty".