25920000006 has 64 divisors (see below), whose sum is σ = 55107440640. Its totient is φ = 8110000800.

The previous prime is 25919999999. The next prime is 25920000019. The reversal of 25920000006 is 60000002952.

It is a super-2 number, since 2×25920000006² (a number of 22 digits) contains 22 as substring.

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, 5232831 + ... + 5237781.

It is an arithmetic number, because the mean of its divisors is an integer number (861053760).

Almost surely, 2^25920000006 is an apocalyptic number.

25920000006 is an abundant number, since it is smaller than the sum of its proper divisors (29187440634).

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

25920000006 is a wasteful number, since it uses less digits than its factorization.

25920000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 25920000006 its reverse (60000002952), we get a palindrome (85920002958).

The spelling of 25920000006 in words is "twenty-five billion, nine hundred twenty million, six", and thus it is an aban number.