255150304332520 has 64 divisors (see below), whose sum is σ = 575253462502800. Its totient is φ = 101853004431360.

The previous prime is 255150304332463. The next prime is 255150304332523. The reversal of 255150304332520 is 25233403051552.

It can be written as a sum of positive squares in 8 ways, for example, as 3738646539364 + 251411657793156 = 1933558^2 + 15855966^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (255150304332523) 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, 189745096 + ... + 191085064.

Almost surely, 2^{255150304332520} is an apocalyptic number.

255150304332520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255150304332520 is an abundant number, since it is smaller than the sum of its proper divisors (320103158170280).

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

255150304332520 is a wasteful number, since it uses less digits than its factorization.

255150304332520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349638 (or 1349634 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 255150304332520 in words is "two hundred fifty-five trillion, one hundred fifty billion, three hundred four million, three hundred thirty-two thousand, five hundred twenty".