2256140192 has 24 divisors (see below), whose sum is σ = 4443207300. Its totient is φ = 1127706624.

The previous prime is 2256140191. The next prime is 2256140209. The reversal of 2256140192 is 2910416522.

It can be written as a sum of positive squares in 2 ways, for example, as 2246380816 + 9759376 = 47396^2 + 3124^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (2256140191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109184 + ... + 128192.

Almost surely, 2^2256140192 is an apocalyptic number.

It is an amenable number.

2256140192 is a deficient number, since it is larger than the sum of its proper divisors (2187067108).

2256140192 is a wasteful number, since it uses less digits than its factorization.

2256140192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728 (or 22720 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2256140192 is about 47498.8441122518. The cubic root of 2256140192 is about 1311.5616037273.

The spelling of 2256140192 in words is "two billion, two hundred fifty-six million, one hundred forty thousand, one hundred ninety-two".