254444656 has 40 divisors (see below), whose sum is σ = 520400720. Its totient is φ = 120185856.

The previous prime is 254444651. The next prime is 254444669. The reversal of 254444656 is 656444452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254444651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130666 + ... + 132598.

It is an arithmetic number, because the mean of its divisors is an integer number (13010018).

Almost surely, 2^254444656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254444656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260200360).

254444656 is an abundant number, since it is smaller than the sum of its proper divisors (265956064).

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

254444656 is a wasteful number, since it uses less digits than its factorization.

254444656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2387 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

The square root of 254444656 is about 15951.3214499614. The cubic root of 254444656 is about 633.6718938375.

The spelling of 254444656 in words is "two hundred fifty-four million, four hundred forty-four thousand, six hundred fifty-six".