25985223360 has 448 divisors, whose sum is σ = 97912488960. Its totient is φ = 6471843840.

The previous prime is 25985223353. The next prime is 25985223413. The reversal of 25985223360 is 6332258952.

25985223360 is a `hidden beast` number, since 2 + 5 + 98 + 522 + 3 + 36 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8543440 + ... + 8546480.

Almost surely, 2^25985223360 is an apocalyptic number.

25985223360 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 25985223360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48956244480).

25985223360 is an abundant number, since it is smaller than the sum of its proper divisors (71927265600).

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

25985223360 is a wasteful number, since it uses less digits than its factorization.

25985223360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 25985223360 in words is "twenty-five billion, nine hundred eighty-five million, two hundred twenty-three thousand, three hundred sixty".