2256235464 has 128 divisors (see below), whose sum is σ = 6543452160. Its totient is φ = 635017728.

The previous prime is 2256235447. The next prime is 2256235477. The reversal of 2256235464 is 4645326522.

It is a super-2 number, since 2×2256235464² = 10181196938022590592, which contains 22 as substring.

It is an unprimeable number.

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, 3843379 + ... + 3843965.

It is an arithmetic number, because the mean of its divisors is an integer number (51120720).

Almost surely, 2^2256235464 is an apocalyptic number.

2256235464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256235464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3271726080).

2256235464 is an abundant number, since it is smaller than the sum of its proper divisors (4287216696).

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

2256235464 is a wasteful number, since it uses less digits than its factorization.

2256235464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 903 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 2256235464 is about 47499.8469892272. The cubic root of 2256235464 is about 1311.5800649528.

The spelling of 2256235464 in words is "two billion, two hundred fifty-six million, two hundred thirty-five thousand, four hundred sixty-four".