52265715840 has 192 divisors, whose sum is σ = 194363409240. Its totient is φ = 12865388544.

The previous prime is 52265715811. The next prime is 52265715847. The reversal of 52265715840 is 4851756225.

52265715840 is a `hidden beast` number, since 5 + 2 + 2 + 65 + 7 + 1 + 584 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14221993536 + 38043722304 = 119256^2 + 195048^2 .

It is a tau number, because it is divible by the number of its divisors (192).

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

It is not an unprimeable number, because it can be changed into a prime (52265715847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274117 + ... + 423876.

Almost surely, 2^52265715840 is an apocalyptic number.

It is an amenable number.

52265715840 is an abundant number, since it is smaller than the sum of its proper divisors (142097693400).

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

52265715840 is a wasteful number, since it uses less digits than its factorization.

52265715840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698031 (or 698016 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 52265715840 in words is "fifty-two billion, two hundred sixty-five million, seven hundred fifteen thousand, eight hundred forty".