2256156492 has 48 divisors (see below), whose sum is σ = 5426152704. Its totient is φ = 729288000.

The previous prime is 2256156481. The next prime is 2256156499. The reversal of 2256156492 is 2946516522.

2256156492 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2256156499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30267 + ... + 73677.

It is an arithmetic number, because the mean of its divisors is an integer number (113044848).

Almost surely, 2^2256156492 is an apocalyptic number.

It is an amenable number.

2256156492 is an abundant number, since it is smaller than the sum of its proper divisors (3169996212).

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

2256156492 is a wasteful number, since it uses less digits than its factorization.

2256156492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43550 (or 43548 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 2256156492 is about 47499.0156950647. The cubic root of 2256156492 is about 1311.5647622785.

The spelling of 2256156492 in words is "two billion, two hundred fifty-six million, one hundred fifty-six thousand, four hundred ninety-two".