52284579840 has 784 divisors, whose sum is σ = 201127144608. Its totient is φ = 12995002368.

The previous prime is 52284579817. The next prime is 52284579877. The reversal of 52284579840 is 4897548225.

52284579840 is a `hidden beast` number, since 5 + 2 + 28 + 4 + 579 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 507617229 + ... + 507617331.

Almost surely, 2^52284579840 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 52284579840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100563572304).

52284579840 is an abundant number, since it is smaller than the sum of its proper divisors (148842564768).

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

52284579840 is an equidigital number, since it uses as much as digits as its factorization.

52284579840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 52284579840 in words is "fifty-two billion, two hundred eighty-four million, five hundred seventy-nine thousand, eight hundred forty".