255540356 has 6 divisors (see below), whose sum is σ = 447195630. Its totient is φ = 127770176.

The previous prime is 255540343. The next prime is 255540359. The reversal of 255540356 is 653045552.

It can be written as a sum of positive squares in only one way, i.e., 163072900 + 92467456 = 12770^2 + 9616^2 .

It is not an unprimeable number, because it can be changed into a prime (255540359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31942541 + ... + 31942548.

It is an arithmetic number, because the mean of its divisors is an integer number (74532605).

Almost surely, 2^255540356 is an apocalyptic number.

It is an amenable number.

255540356 is a deficient number, since it is larger than the sum of its proper divisors (191655274).

255540356 is a wasteful number, since it uses less digits than its factorization.

255540356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63885093 (or 63885091 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 255540356 is about 15985.6296716770. The cubic root of 255540356 is about 634.5801726151.

The spelling of 255540356 in words is "two hundred fifty-five million, five hundred forty thousand, three hundred fifty-six".