255280072 has 8 divisors (see below), whose sum is σ = 478650150. Its totient is φ = 127640032.

The previous prime is 255280049. The next prime is 255280073. The reversal of 255280072 is 270082552.

It can be written as a sum of positive squares in only one way, i.e., 254530116 + 749956 = 15954^2 + 866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (255280073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15954997 + ... + 15955012.

Almost surely, 2^255280072 is an apocalyptic number.

It is an amenable number.

255280072 is a deficient number, since it is larger than the sum of its proper divisors (223370078).

255280072 is a wasteful number, since it uses less digits than its factorization.

255280072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31910015 (or 31910011 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 255280072 is about 15977.4864105716. The cubic root of 255280072 is about 634.3646460879.

The spelling of 255280072 in words is "two hundred fifty-five million, two hundred eighty thousand, seventy-two".