25813200004 has 48 divisors (see below), whose sum is σ = 46637337600. Its totient is φ = 12493548800.

The previous prime is 25813199999. The next prime is 25813200013. The reversal of 25813200004 is 40000231852.

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, 15943107 + ... + 15944725.

It is an arithmetic number, because the mean of its divisors is an integer number (971611200).

Almost surely, 2^25813200004 is an apocalyptic number.

It is an amenable number.

25813200004 is a deficient number, since it is larger than the sum of its proper divisors (20824137596).

25813200004 is a wasteful number, since it uses less digits than its factorization.

25813200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 25813200004 its reverse (40000231852), we get a palindrome (65813431856).

The spelling of 25813200004 in words is "twenty-five billion, eight hundred thirteen million, two hundred thousand, four".