52252698240 has 384 divisors, whose sum is σ = 189531014400. Its totient is φ = 13754437632.

The previous prime is 52252698203. The next prime is 52252698301. The reversal of 52252698240 is 4289625225.

It is a happy number.

52252698240 is a `hidden beast` number, since 5 + 2 + 2 + 526 + 9 + 82 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12283954 + ... + 12288206.

It is an arithmetic number, because the mean of its divisors is an integer number (493570350).

Almost surely, 2^52252698240 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 52252698240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94765507200).

52252698240 is an abundant number, since it is smaller than the sum of its proper divisors (137278316160).

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

52252698240 is an equidigital number, since it uses as much as digits as its factorization.

52252698240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4342 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 52252698240 in words is "fifty-two billion, two hundred fifty-two million, six hundred ninety-eight thousand, two hundred forty".