628313523256 has 32 divisors (see below), whose sum is σ = 1229354029440. Its totient is φ = 300486781408.

The previous prime is 628313523251. The next prime is 628313523263. The reversal of 628313523256 is 652325313826.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628313523251) 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, 7396335 + ... + 7480801.

It is an arithmetic number, because the mean of its divisors is an integer number (38417313420).

Almost surely, 2^628313523256 is an apocalyptic number.

It is an amenable number.

628313523256 is a deficient number, since it is larger than the sum of its proper divisors (601040506184).

628313523256 is a wasteful number, since it uses less digits than its factorization.

628313523256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124923 (or 124919 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The spelling of 628313523256 in words is "six hundred twenty-eight billion, three hundred thirteen million, five hundred twenty-three thousand, two hundred fifty-six".