28255264 has 24 divisors (see below), whose sum is σ = 55758780. Its totient is φ = 14094336.

The previous prime is 28255237. The next prime is 28255267. The reversal of 28255264 is 46255282.

It can be written as a sum of positive squares in 2 ways, for example, as 28005264 + 250000 = 5292^2 + 500^2 .

It is not an unprimeable number, because it can be changed into a prime (28255267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18232 + ... + 19720.

Almost surely, 2^28255264 is an apocalyptic number.

It is an amenable number.

28255264 is a deficient number, since it is larger than the sum of its proper divisors (27503516).

28255264 is a wasteful number, since it uses less digits than its factorization.

28255264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2084 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 28255264 is about 5315.5680787664. The cubic root of 28255264 is about 304.5788831286.

The spelling of 28255264 in words is "twenty-eight million, two hundred fifty-five thousand, two hundred sixty-four".