255651444 has 24 divisors (see below), whose sum is σ = 662800320. Its totient is φ = 85217112.

The previous prime is 255651419. The next prime is 255651481. The reversal of 255651444 is 444156552.

255651444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 255651399 and 255651408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183464 + ... + 1183679.

It is an arithmetic number, because the mean of its divisors is an integer number (27616680).

Almost surely, 2^255651444 is an apocalyptic number.

It is an amenable number.

255651444 is an abundant number, since it is smaller than the sum of its proper divisors (407148876).

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

255651444 is a wasteful number, since it uses less digits than its factorization.

255651444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367156 (or 2367148 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 255651444 is about 15989.1039148540. The cubic root of 255651444 is about 634.6721137743.

The spelling of 255651444 in words is "two hundred fifty-five million, six hundred fifty-one thousand, four hundred forty-four".