25626233560 has 64 divisors (see below), whose sum is σ = 59036947200. Its totient is φ = 10005830016.

The previous prime is 25626233533. The next prime is 25626233561. The reversal of 25626233560 is 6533262652.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25626233561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3503427 + ... + 3510733.

It is an arithmetic number, because the mean of its divisors is an integer number (922452300).

Almost surely, 2^25626233560 is an apocalyptic number.

25626233560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25626233560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29518473600).

25626233560 is an abundant number, since it is smaller than the sum of its proper divisors (33410713640).

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

25626233560 is a wasteful number, since it uses less digits than its factorization.

25626233560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400 (or 9396 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 25626233560 in words is "twenty-five billion, six hundred twenty-six million, two hundred thirty-three thousand, five hundred sixty".