316388250256 has 135 divisors (see below), whose sum is σ = 689309852049. Its totient is φ = 140612000256.

The previous prime is 316388250251. The next prime is 316388250257. The reversal of 316388250256 is 652052883613.

The square root of 316388250256 is 562484.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 253326995856 + 63061254400 = 503316^2 + 251120^2 .

It is not an unprimeable number, because it can be changed into a prime (316388250251) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 848225686 + ... + 848226058.

Almost surely, 2^316388250256 is an apocalyptic number.

316388250256 is the 562484-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316388250256

316388250256 is an abundant number, since it is smaller than the sum of its proper divisors (372921601793).

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

316388250256 is an equidigital number, since it uses as much as digits as its factorization.

316388250256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

Multiplying 316388250256 by its sum of digits (49), we get a square (15503024262544 = 3937388²).

The spelling of 316388250256 in words is "three hundred sixteen billion, three hundred eighty-eight million, two hundred fifty thousand, two hundred fifty-six".