254944428 has 24 divisors (see below), whose sum is σ = 604954560. Its totient is φ = 83540880.

The previous prime is 254944411. The next prime is 254944439. The reversal of 254944428 is 824449452.

It is a super-2 number, since 2×254944428² = 129993322736494368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254944428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179338 + ... + 180753.

It is an arithmetic number, because the mean of its divisors is an integer number (25206440).

Almost surely, 2^254944428 is an apocalyptic number.

It is an amenable number.

254944428 is an abundant number, since it is smaller than the sum of its proper divisors (350010132).

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

254944428 is a wasteful number, since it uses less digits than its factorization.

254944428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360157 (or 360155 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 254944428 is about 15966.9793010450. The cubic root of 254944428 is about 634.0865018124.

The spelling of 254944428 in words is "two hundred fifty-four million, nine hundred forty-four thousand, four hundred twenty-eight".