255446564 has 48 divisors (see below), whose sum is σ = 489074880. Its totient is φ = 116328960.

The previous prime is 255446563. The next prime is 255446593. The reversal of 255446564 is 465644552.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (255446563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226907 + ... + 228029.

It is an arithmetic number, because the mean of its divisors is an integer number (10189060).

Almost surely, 2^255446564 is an apocalyptic number.

It is an amenable number.

255446564 is a deficient number, since it is larger than the sum of its proper divisors (233628316).

255446564 is a wasteful number, since it uses less digits than its factorization.

255446564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1258 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The square root of 255446564 is about 15982.6957676107. The cubic root of 255446564 is about 634.5025256141.

The spelling of 255446564 in words is "two hundred fifty-five million, four hundred forty-six thousand, five hundred sixty-four".