2628745256 has 32 divisors (see below), whose sum is σ = 5145940800. Its totient is φ = 1256555520.

The previous prime is 2628745237. The next prime is 2628745277. The reversal of 2628745256 is 6525478262.

It is a happy number.

2628745256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2628745256.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610760 + ... + 615048.

It is an arithmetic number, because the mean of its divisors is an integer number (160810650).

Almost surely, 2^2628745256 is an apocalyptic number.

It is an amenable number.

2628745256 is a deficient number, since it is larger than the sum of its proper divisors (2517195544).

2628745256 is a wasteful number, since it uses less digits than its factorization.

2628745256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 7645 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 2628745256 is about 51271.2907580841. The cubic root of 2628745256 is about 1380.1178321286.

The spelling of 2628745256 in words is "two billion, six hundred twenty-eight million, seven hundred forty-five thousand, two hundred fifty-six".