255306772 has 24 divisors (see below), whose sum is σ = 511108416. Its totient is φ = 109311168.

The previous prime is 255306767. The next prime is 255306787. The reversal of 255306772 is 277603552.

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, 29583 + ... + 37225.

It is an arithmetic number, because the mean of its divisors is an integer number (21296184).

Almost surely, 2^255306772 is an apocalyptic number.

It is an amenable number.

255306772 is an abundant number, since it is smaller than the sum of its proper divisors (255801644).

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

255306772 is a wasteful number, since it uses less digits than its factorization.

255306772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8847 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 255306772 is about 15978.3219394278. The cubic root of 255306772 is about 634.3867615961.

The spelling of 255306772 in words is "two hundred fifty-five million, three hundred six thousand, seven hundred seventy-two".