252707077744 has 40 divisors (see below), whose sum is σ = 537715695600. Its totient is φ = 114095923200.

The previous prime is 252707077741. The next prime is 252707077759. The reversal of 252707077744 is 447770707252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 252707077691 and 252707077700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252707077741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4792017 + ... + 4844464.

It is an arithmetic number, because the mean of its divisors is an integer number (13442892390).

Almost surely, 2^252707077744 is an apocalyptic number.

It is an amenable number.

252707077744 is an abundant number, since it is smaller than the sum of its proper divisors (285008617856).

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

252707077744 is a wasteful number, since it uses less digits than its factorization.

252707077744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636649 (or 9636643 counting only the distinct ones).

The product of its (nonzero) digits is 5378240, while the sum is 52.

The spelling of 252707077744 in words is "two hundred fifty-two billion, seven hundred seven million, seventy-seven thousand, seven hundred forty-four".