2256265401 has 32 divisors (see below), whose sum is σ = 3295961088. Its totient is φ = 1364489280.

The previous prime is 2256265393. The next prime is 2256265421. The reversal of 2256265401 is 1045626522.

It is not a de Polignac number, because 2256265401 - 2³ = 2256265393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2256265421) 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 31 ways as a sum of consecutive naturals, for example, 1533096 + ... + 1534566.

It is an arithmetic number, because the mean of its divisors is an integer number (102998784).

Almost surely, 2^2256265401 is an apocalyptic number.

It is an amenable number.

2256265401 is a deficient number, since it is larger than the sum of its proper divisors (1039695687).

2256265401 is a wasteful number, since it uses less digits than its factorization.

2256265401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2256265401 is about 47500.1621155128. The cubic root of 2256265401 is about 1311.5858658543.

It can be divided in two parts, 225 and 6265401, that added together give a palindrome (6265626).

The spelling of 2256265401 in words is "two billion, two hundred fifty-six million, two hundred sixty-five thousand, four hundred one".