255329140 has 48 divisors (see below), whose sum is σ = 599223744. Its totient is φ = 90579200.

The previous prime is 255329101. The next prime is 255329149. The reversal of 255329140 is 41923552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255329149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134 + ... + 23173.

It is an arithmetic number, because the mean of its divisors is an integer number (12483828).

Almost surely, 2^255329140 is an apocalyptic number.

255329140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255329140 is an abundant number, since it is smaller than the sum of its proper divisors (343894604).

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

255329140 is a wasteful number, since it uses less digits than its factorization.

255329140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28368 (or 28366 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 255329140 is about 15979.0218724426. The cubic root of 255329140 is about 634.4052877383.

The spelling of 255329140 in words is "two hundred fifty-five million, three hundred twenty-nine thousand, one hundred forty".