255129460 has 12 divisors (see below), whose sum is σ = 535771908. Its totient is φ = 102051776.

The previous prime is 255129451. The next prime is 255129461. The reversal of 255129460 is 64921552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189227536 + 65901924 = 13756^2 + 8118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255129461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6378217 + ... + 6378256.

It is an arithmetic number, because the mean of its divisors is an integer number (44647659).

Almost surely, 2^255129460 is an apocalyptic number.

255129460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255129460 is an abundant number, since it is smaller than the sum of its proper divisors (280642448).

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

255129460 is a wasteful number, since it uses less digits than its factorization.

255129460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756482 (or 12756480 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 255129460 is about 15972.7724581552. The cubic root of 255129460 is about 634.2398658505.

The spelling of 255129460 in words is "two hundred fifty-five million, one hundred twenty-nine thousand, four hundred sixty".