2256506870 has 16 divisors (see below), whose sum is σ = 4062510288. Its totient is φ = 902425440.

The previous prime is 2256506851. The next prime is 2256506887. The reversal of 2256506870 is 786056522.

It is a congruent number.

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, 39440 + ... + 77900.

It is an arithmetic number, because the mean of its divisors is an integer number (253906893).

Almost surely, 2^2256506870 is an apocalyptic number.

2256506870 is a deficient number, since it is larger than the sum of its proper divisors (1806003418).

2256506870 is a wasteful number, since it uses less digits than its factorization.

2256506870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44335.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2256506870 is about 47502.7038177828. The cubic root of 2256506870 is about 1311.6326534987.

The spelling of 2256506870 in words is "two billion, two hundred fifty-six million, five hundred six thousand, eight hundred seventy".