256027760 has 40 divisors (see below), whose sum is σ = 614472576. Its totient is φ = 99106560.

The previous prime is 256027721. The next prime is 256027763. The reversal of 256027760 is 67720652.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 256027760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256027763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49139 + ... + 54098.

Almost surely, 2^256027760 is an apocalyptic number.

256027760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256027760 is an abundant number, since it is smaller than the sum of its proper divisors (358444816).

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

256027760 is a wasteful number, since it uses less digits than its factorization.

256027760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103281 (or 103275 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 256027760 is about 16000.8674764839. The cubic root of 256027760 is about 634.9833711313.

The spelling of 256027760 in words is "two hundred fifty-six million, twenty-seven thousand, seven hundred sixty".