25876240258 has 32 divisors (see below), whose sum is σ = 44870760000. Its totient is φ = 11068067520.

The previous prime is 25876240207. The next prime is 25876240259. The reversal of 25876240258 is 85204267852.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25876240259) 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 15 ways as a sum of consecutive naturals, for example, 145453 + ... + 270016.

It is an arithmetic number, because the mean of its divisors is an integer number (1402211250).

Almost surely, 2^25876240258 is an apocalyptic number.

25876240258 is a deficient number, since it is larger than the sum of its proper divisors (18994519742).

25876240258 is a wasteful number, since it uses less digits than its factorization.

25876240258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415650.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 25876240258 in words is "twenty-five billion, eight hundred seventy-six million, two hundred forty thousand, two hundred fifty-eight".