25465075608 has 128 divisors (see below), whose sum is σ = 77088913920. Its totient is φ = 6843156480.

The previous prime is 25465075541. The next prime is 25465075613. The reversal of 25465075608 is 80657056452.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8003778 + ... + 8006958.

It is an arithmetic number, because the mean of its divisors is an integer number (602257140).

Almost surely, 2^25465075608 is an apocalyptic number.

25465075608 is a gapful number since it is divisible by the number (28) 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 25465075608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38544456960).

25465075608 is an abundant number, since it is smaller than the sum of its proper divisors (51623838312).

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

25465075608 is a wasteful number, since it uses less digits than its factorization.

25465075608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017 (or 6013 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 25465075608 in words is "twenty-five billion, four hundred sixty-five million, seventy-five thousand, six hundred eight".