25775726260 has 12 divisors (see below), whose sum is σ = 54129025188. Its totient is φ = 10310290496.

The previous prime is 25775726237. The next prime is 25775726269. The reversal of 25775726260 is 6262757752.

It can be written as a sum of positive squares in 2 ways, for example, as 20217427344 + 5558298916 = 142188^2 + 74554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25775726269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644393137 + ... + 644393176.

It is an arithmetic number, because the mean of its divisors is an integer number (4510752099).

Almost surely, 2^25775726260 is an apocalyptic number.

25775726260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25775726260 is an abundant number, since it is smaller than the sum of its proper divisors (28353298928).

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

25775726260 is a wasteful number, since it uses less digits than its factorization.

25775726260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288786322 (or 1288786320 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 25775726260 in words is "twenty-five billion, seven hundred seventy-five million, seven hundred twenty-six thousand, two hundred sixty".