2256233994 has 128 divisors (see below), whose sum is σ = 5914951680. Its totient is φ = 624117312.

The previous prime is 2256233939. The next prime is 2256234007. The reversal of 2256233994 is 4993326522.

2256233994 is a `hidden beast` number, since 2 + 256 + 2 + 3 + 399 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2063712 + ... + 2064804.

It is an arithmetic number, because the mean of its divisors is an integer number (46210560).

Almost surely, 2^2256233994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256233994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957475840).

2256233994 is an abundant number, since it is smaller than the sum of its proper divisors (3658717686).

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

2256233994 is a wasteful number, since it uses less digits than its factorization.

2256233994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281 (or 1275 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 2256233994 is about 47499.8315154907. The cubic root of 2256233994 is about 1311.5797801091.

The spelling of 2256233994 in words is "two billion, two hundred fifty-six million, two hundred thirty-three thousand, nine hundred ninety-four".