2560257976 has 8 divisors (see below), whose sum is σ = 4800483720. Its totient is φ = 1280128984.

The previous prime is 2560257929. The next prime is 2560257979. The reversal of 2560257976 is 6797520652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560257979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160016116 + ... + 160016131.

It is an arithmetic number, because the mean of its divisors is an integer number (600060465).

Almost surely, 2^2560257976 is an apocalyptic number.

It is an amenable number.

2560257976 is a deficient number, since it is larger than the sum of its proper divisors (2240225744).

2560257976 is a wasteful number, since it uses less digits than its factorization.

2560257976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320032253 (or 320032249 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The square root of 2560257976 is about 50598.9918476643. The cubic root of 2560257976 is about 1368.0267071265.

The spelling of 2560257976 in words is "two billion, five hundred sixty million, two hundred fifty-seven thousand, nine hundred seventy-six".