255520452 has 48 divisors (see below), whose sum is σ = 651373632. Its totient is φ = 77316480.

The previous prime is 255520439. The next prime is 255520453. The reversal of 255520452 is 254025552.

It is not an unprimeable number, because it can be changed into a prime (255520453) 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 15 ways as a sum of consecutive naturals, for example, 146578 + ... + 148310.

It is an arithmetic number, because the mean of its divisors is an integer number (13570284).

Almost surely, 2^255520452 is an apocalyptic number.

255520452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255520452 is an abundant number, since it is smaller than the sum of its proper divisors (395853180).

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

255520452 is a wasteful number, since it uses less digits than its factorization.

255520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 255520452 is about 15985.0071004051. The cubic root of 255520452 is about 634.5636964025.

The spelling of 255520452 in words is "two hundred fifty-five million, five hundred twenty thousand, four hundred fifty-two".