2556454326 has 8 divisors (see below), whose sum is σ = 5112908664. Its totient is φ = 852151440.

The previous prime is 2556454319. The next prime is 2556454343. The reversal of 2556454326 is 6234546552.

It is a sphenic number, since it is the product of 3 distinct primes.

2556454326 is an admirable number.

It is a super-2 number, since 2×2556454326² = 13070917441848228552, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213037855 + ... + 213037866.

It is an arithmetic number, because the mean of its divisors is an integer number (639113583).

Almost surely, 2^2556454326 is an apocalyptic number.

2556454326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2556454326 is a wasteful number, since it uses less digits than its factorization.

2556454326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426075726.

The product of its digits is 864000, while the sum is 42.

The square root of 2556454326 is about 50561.3916541070. The cubic root of 2556454326 is about 1367.3489012412.

The spelling of 2556454326 in words is "two billion, five hundred fifty-six million, four hundred fifty-four thousand, three hundred twenty-six".