255693372 has 24 divisors (see below), whose sum is σ = 650856192. Its totient is φ = 77482800.

The previous prime is 255693367. The next prime is 255693397. The reversal of 255693372 is 273396552.

255693372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968404 + ... + 968667.

It is an arithmetic number, because the mean of its divisors is an integer number (27119008).

Almost surely, 2^255693372 is an apocalyptic number.

255693372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255693372 is an abundant number, since it is smaller than the sum of its proper divisors (395162820).

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

255693372 is a wasteful number, since it uses less digits than its factorization.

255693372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937089 (or 1937087 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 255693372 is about 15990.4150039954. The cubic root of 255693372 is about 634.7068082491.

The spelling of 255693372 in words is "two hundred fifty-five million, six hundred ninety-three thousand, three hundred seventy-two".