52908139940640 has 384 divisors, whose sum is σ = 180297203788800. Its totient is φ = 12990719459328.

The previous prime is 52908139940587. The next prime is 52908139940701. The reversal of 52908139940640 is 4604993180925.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 917734536 + ... + 917792184.

It is an arithmetic number, because the mean of its divisors is an integer number (469523968200).

Almost surely, 2^{52908139940640} 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 52908139940640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90148601894400).

52908139940640 is an abundant number, since it is smaller than the sum of its proper divisors (127389063848160).

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

52908139940640 is a wasteful number, since it uses less digits than its factorization.

52908139940640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60124 (or 60116 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 52908139940640 in words is "fifty-two trillion, nine hundred eight billion, one hundred thirty-nine million, nine hundred forty thousand, six hundred forty".