52150568840 has 128 divisors (see below), whose sum is σ = 125621280000. Its totient is φ = 19416342528.

The previous prime is 52150568807. The next prime is 52150568849. The reversal of 52150568840 is 4886505125.

It is a junction number, because it is equal to n+sod(n) for n = 52150568791 and 52150568800.

It is not an unprimeable number, because it can be changed into a prime (52150568849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24221204 + ... + 24223356.

It is an arithmetic number, because the mean of its divisors is an integer number (981416250).

Almost surely, 2^52150568840 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 52150568840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62810640000).

52150568840 is an abundant number, since it is smaller than the sum of its proper divisors (73470711160).

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

52150568840 is a wasteful number, since it uses less digits than its factorization.

52150568840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 52150568840 in words is "fifty-two billion, one hundred fifty million, five hundred sixty-eight thousand, eight hundred forty".