2560984458 has 8 divisors (see below), whose sum is σ = 5121968928. Its totient is φ = 853661484.

The previous prime is 2560984451. The next prime is 2560984469. The reversal of 2560984458 is 8544890652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2560984458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2560984458.

It is not an unprimeable number, because it can be changed into a prime (2560984451) 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 3 ways as a sum of consecutive naturals, for example, 213415366 + ... + 213415377.

It is an arithmetic number, because the mean of its divisors is an integer number (640246116).

Almost surely, 2^2560984458 is an apocalyptic number.

2560984458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2560984458 is a wasteful number, since it uses less digits than its factorization.

2560984458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426830748.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The square root of 2560984458 is about 50606.1701574027. The cubic root of 2560984458 is about 1368.1560889831.

The spelling of 2560984458 in words is "two billion, five hundred sixty million, nine hundred eighty-four thousand, four hundred fifty-eight".