255520464 has 20 divisors (see below), whose sum is σ = 660094656. Its totient is φ = 85173472.

The previous prime is 255520453. The next prime is 255520469. The reversal of 255520464 is 464025552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255520469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2661624 + ... + 2661719.

Almost surely, 2^255520464 is an apocalyptic number.

255520464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255520464 is an abundant number, since it is smaller than the sum of its proper divisors (404574192).

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

255520464 is a wasteful number, since it uses less digits than its factorization.

255520464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323354 (or 5323348 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 255520464 is about 15985.0074757568. The cubic root of 255520464 is about 634.5637063362.

The spelling of 255520464 in words is "two hundred fifty-five million, five hundred twenty thousand, four hundred sixty-four".