52840701648 has 160 divisors (see below), whose sum is σ = 173474611200. Its totient is φ = 15085609344.

The previous prime is 52840701619. The next prime is 52840701679. The reversal of 52840701648 is 84610704825.

52840701648 is a `hidden beast` number, since 528 + 4 + 0 + 70 + 16 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4345465 + ... + 4357607.

It is an arithmetic number, because the mean of its divisors is an integer number (1084216320).

Almost surely, 2^52840701648 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 52840701648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86737305600).

52840701648 is an abundant number, since it is smaller than the sum of its proper divisors (120633909552).

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

52840701648 is a wasteful number, since it uses less digits than its factorization.

52840701648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606 (or 13594 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 52840701648 in words is "fifty-two billion, eight hundred forty million, seven hundred one thousand, six hundred forty-eight".