255622464 has 84 divisors (see below), whose sum is σ = 737798880. Its totient is φ = 84614400.

The previous prime is 255622459. The next prime is 255622481. The reversal of 255622464 is 464226552.

255622464 is a `hidden beast` number, since 25 + 5 + 622 + 4 + 6 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85507 + ... + 88445.

It is an arithmetic number, because the mean of its divisors is an integer number (8783320).

Almost surely, 2^255622464 is an apocalyptic number.

255622464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255622464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368899440).

255622464 is an abundant number, since it is smaller than the sum of its proper divisors (482176416).

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

255622464 is a wasteful number, since it uses less digits than its factorization.

255622464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108 (or 3095 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 255622464 is about 15988.1976470145. The cubic root of 255622464 is about 634.6481312604.

The spelling of 255622464 in words is "two hundred fifty-five million, six hundred twenty-two thousand, four hundred sixty-four".