25939048212 has 144 divisors (see below), whose sum is σ = 83290177152. Its totient is φ = 6610256640.

The previous prime is 25939048193. The next prime is 25939048229. The reversal of 25939048212 is 21284093952.

25939048212 is a `hidden beast` number, since 2 + 5 + 9 + 390 + 48 + 212 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58638 + ... + 235194.

It is an arithmetic number, because the mean of its divisors is an integer number (578404008).

Almost surely, 2^25939048212 is an apocalyptic number.

25939048212 is a gapful number since it is divisible by the number (22) 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 25939048212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41645088576).

25939048212 is an abundant number, since it is smaller than the sum of its proper divisors (57351128940).

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

25939048212 is a wasteful number, since it uses less digits than its factorization.

25939048212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176638 (or 176633 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 25939048212 in words is "twenty-five billion, nine hundred thirty-nine million, forty-eight thousand, two hundred twelve".