2256659390 has 24 divisors (see below), whose sum is σ = 4314988152. Its totient is φ = 849564800.

The previous prime is 2256659371. The next prime is 2256659401. The reversal of 2256659390 is 939566522.

It is a happy number.

2256659390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387536 + ... + 393315.

It is an arithmetic number, because the mean of its divisors is an integer number (179791173).

Almost surely, 2^2256659390 is an apocalyptic number.

2256659390 is a deficient number, since it is larger than the sum of its proper divisors (2058328762).

2256659390 is a wasteful number, since it uses less digits than its factorization.

2256659390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780892 (or 780875 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 47.

The square root of 2256659390 is about 47504.3091729582. The cubic root of 2256659390 is about 1311.6622044399.

The spelling of 2256659390 in words is "two billion, two hundred fifty-six million, six hundred fifty-nine thousand, three hundred ninety".