255264646 has 32 divisors (see below), whose sum is σ = 472868928. Its totient is φ = 100638720.

The previous prime is 255264643. The next prime is 255264679. The reversal of 255264646 is 646462552.

It is a junction number, because it is equal to n+sod(n) for n = 255264599 and 255264608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255264643) 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, 54726 + ... + 59206.

It is an arithmetic number, because the mean of its divisors is an integer number (14777154).

Almost surely, 2^255264646 is an apocalyptic number.

255264646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255264646 is a deficient number, since it is larger than the sum of its proper divisors (217604282).

255264646 is a wasteful number, since it uses less digits than its factorization.

255264646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816.

The product of its digits is 345600, while the sum is 40.

The square root of 255264646 is about 15977.0036615130. The cubic root of 255264646 is about 634.3518680881.

The spelling of 255264646 in words is "two hundred fifty-five million, two hundred sixty-four thousand, six hundred forty-six".