52052822640 has 800 divisors, whose sum is σ = 228040154496. Its totient is φ = 10709729280.

The previous prime is 52052822639. The next prime is 52052822713. The reversal of 52052822640 is 4622825025.

52052822640 is a `hidden beast` number, since 5 + 2 + 0 + 5 + 2 + 8 + 2 + 2 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52052822595 and 52052822604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 24175804 + ... + 24177956.

Almost surely, 2^52052822640 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 52052822640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114020077248).

52052822640 is an abundant number, since it is smaller than the sum of its proper divisors (175987331856).

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

52052822640 is a wasteful number, since it uses less digits than its factorization.

52052822640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 52052822640 in words is "fifty-two billion, fifty-two million, eight hundred twenty-two thousand, six hundred forty".