1255568028 has 48 divisors (see below), whose sum is σ = 3441841536. Its totient is φ = 351207360.

The previous prime is 1255568009. The next prime is 1255568029. The reversal of 1255568028 is 8208655521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255568029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364126 + ... + 367557.

It is an arithmetic number, because the mean of its divisors is an integer number (71705032).

Almost surely, 2^1255568028 is an apocalyptic number.

It is an amenable number.

1255568028 is an abundant number, since it is smaller than the sum of its proper divisors (2186273508).

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

1255568028 is a wasteful number, since it uses less digits than its factorization.

1255568028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731714 (or 731712 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 1255568028 is about 35433.9953716766. The cubic root of 1255568028 is about 1078.8144363421.

The spelling of 1255568028 in words is "one billion, two hundred fifty-five million, five hundred sixty-eight thousand, twenty-eight".