255994224 has 40 divisors (see below), whose sum is σ = 661981440. Its totient is φ = 85245888.

The previous prime is 255994181. The next prime is 255994229. The reversal of 255994224 is 422499552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255994229) 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, 61687 + ... + 65705.

It is an arithmetic number, because the mean of its divisors is an integer number (16549536).

Almost surely, 2^255994224 is an apocalyptic number.

255994224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255994224 is an abundant number, since it is smaller than the sum of its proper divisors (405987216).

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

255994224 is a wasteful number, since it uses less digits than its factorization.

255994224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357 (or 5351 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 255994224 is about 15999.8194989819. The cubic root of 255994224 is about 634.9556453199.

The spelling of 255994224 in words is "two hundred fifty-five million, nine hundred ninety-four thousand, two hundred twenty-four".