25923211008 has 144 divisors (see below), whose sum is σ = 70346304000. Its totient is φ = 8473006080.

The previous prime is 25923210997. The next prime is 25923211033. The reversal of 25923211008 is 80011232952.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25923211008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10849878 + ... + 10852266.

It is an arithmetic number, because the mean of its divisors is an integer number (488516000).

Almost surely, 2^25923211008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25923211008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35173152000).

25923211008 is an abundant number, since it is smaller than the sum of its proper divisors (44423092992).

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

25923211008 is a wasteful number, since it uses less digits than its factorization.

25923211008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 25923211008 in words is "twenty-five billion, nine hundred twenty-three million, two hundred eleven thousand, eight".