25256757260 has 24 divisors (see below), whose sum is σ = 60616217760. Its totient is φ = 8659459584.

The previous prime is 25256757259. The next prime is 25256757269. The reversal of 25256757260 is 6275765252.

It is a super-3 number, since 3×25256757260³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25256757269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90202565 + ... + 90202844.

It is an arithmetic number, because the mean of its divisors is an integer number (2525675740).

Almost surely, 2^25256757260 is an apocalyptic number.

25256757260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25256757260 is an abundant number, since it is smaller than the sum of its proper divisors (35359460500).

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

25256757260 is a wasteful number, since it uses less digits than its factorization.

25256757260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180405425 (or 180405423 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 25256757260 in words is "twenty-five billion, two hundred fifty-six million, seven hundred fifty-seven thousand, two hundred sixty".