252240451316 has 12 divisors (see below), whose sum is σ = 504480902688. Its totient is φ = 108103050552.

The previous prime is 252240451303. The next prime is 252240451321. The reversal of 252240451316 is 613154042252.

252240451316 is an admirable number.

It is a super-2 number, since 2×252240451316² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504293746 + ... + 4504293801.

It is an arithmetic number, because the mean of its divisors is an integer number (42040075224).

Almost surely, 2^252240451316 is an apocalyptic number.

It is an amenable number.

252240451316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252240451316 is a wasteful number, since it uses less digits than its factorization.

252240451316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008587558 (or 9008587556 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 252240451316 its reverse (613154042252), we get a palindrome (865394493568).

The spelling of 252240451316 in words is "two hundred fifty-two billion, two hundred forty million, four hundred fifty-one thousand, three hundred sixteen".