255024705172 has 12 divisors (see below), whose sum is σ = 446320028980. Its totient is φ = 127504696896.

The previous prime is 255024705149. The next prime is 255024705191. The reversal of 255024705172 is 271507420552.

It can be written as a sum of positive squares in 2 ways, for example, as 158120750736 + 96903954436 = 397644^2 + 311294^2 .

It is a congruent number.

It is an unprimeable number.

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, 1838643 + ... + 1972474.

Almost surely, 2^255024705172 is an apocalyptic number.

It is an amenable number.

255024705172 is a deficient number, since it is larger than the sum of its proper divisors (191295323808).

255024705172 is a wasteful number, since it uses less digits than its factorization.

255024705172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827850 (or 3827848 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 255024705172 in words is "two hundred fifty-five billion, twenty-four million, seven hundred five thousand, one hundred seventy-two".