25256756200 has 48 divisors (see below), whose sum is σ = 63239038380. Its totient is φ = 9325570560.

The previous prime is 25256756191. The next prime is 25256756207. The reversal of 25256756200 is 265765252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9412492324 + 15844263876 = 97018^2 + 125874^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (25256756207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4854469 + ... + 4859668.

Almost surely, 2^25256756200 is an apocalyptic number.

25256756200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25256756200 is an abundant number, since it is smaller than the sum of its proper divisors (37982282180).

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

25256756200 is a wasteful number, since it uses less digits than its factorization.

25256756200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714166 (or 9714157 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

It can be divided in two parts, 25256 and 756200, that added together give a square (781456 = 884²).

The spelling of 25256756200 in words is "twenty-five billion, two hundred fifty-six million, seven hundred fifty-six thousand, two hundred".