2256471426 has 128 divisors (see below), whose sum is σ = 5329981440. Its totient is φ = 629640000.

The previous prime is 2256471409. The next prime is 2256471439. The reversal of 2256471426 is 6241746522.

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, 8989801 + ... + 8990051.

It is an arithmetic number, because the mean of its divisors is an integer number (41640480).

Almost surely, 2^2256471426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256471426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664990720).

2256471426 is an abundant number, since it is smaller than the sum of its proper divisors (3073510014).

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

2256471426 is a wasteful number, since it uses less digits than its factorization.

2256471426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 161280, while the sum is 39.

The square root of 2256471426 is about 47502.3307428172. The cubic root of 2256471426 is about 1311.6257859886.

The spelling of 2256471426 in words is "two billion, two hundred fifty-six million, four hundred seventy-one thousand, four hundred twenty-six".