25358689568 has 48 divisors (see below), whose sum is σ = 53336999520. Its totient is φ = 11832708096.

The previous prime is 25358689561. The next prime is 25358689571. The reversal of 25358689568 is 86598685352.

It is not an unprimeable number, because it can be changed into a prime (25358689561) 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, 270521 + ... + 351992.

It is an arithmetic number, because the mean of its divisors is an integer number (1111187490).

Almost surely, 2^25358689568 is an apocalyptic number.

It is an amenable number.

25358689568 is an abundant number, since it is smaller than the sum of its proper divisors (27978309952).

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

25358689568 is a wasteful number, since it uses less digits than its factorization.

25358689568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622609 (or 622601 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 65.

The spelling of 25358689568 in words is "twenty-five billion, three hundred fifty-eight million, six hundred eighty-nine thousand, five hundred sixty-eight".