25939759104 has 156 divisors (see below), whose sum is σ = 85632776736. Its totient is φ = 7411286016.

The previous prime is 25939759057. The next prime is 25939759147. The reversal of 25939759104 is 40195793952.

It is a super-2 number, since 2×25939759104² (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 11 ways as a sum of consecutive naturals, for example, 207787 + ... + 308309.

It is an arithmetic number, because the mean of its divisors is an integer number (548928056).

Almost surely, 2^25939759104 is an apocalyptic number.

25939759104 is a gapful number since it is divisible by the number (24) 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 25939759104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42816388368).

25939759104 is an abundant number, since it is smaller than the sum of its proper divisors (59693017632).

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

25939759104 is a wasteful number, since it uses less digits than its factorization.

25939759104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100560 (or 100535 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 25939759104 in words is "twenty-five billion, nine hundred thirty-nine million, seven hundred fifty-nine thousand, one hundred four".