25596738328 has 32 divisors (see below), whose sum is σ = 54873192960. Its totient is φ = 10965422880.

The previous prime is 25596738317. The next prime is 25596738329. The reversal of 25596738328 is 82383769552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25596738329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40225 + ... + 229807.

It is an arithmetic number, because the mean of its divisors is an integer number (1714787280).

Almost surely, 2^25596738328 is an apocalyptic number.

25596738328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25596738328 is an abundant number, since it is smaller than the sum of its proper divisors (29276454632).

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

25596738328 is a wasteful number, since it uses less digits than its factorization.

25596738328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192007 (or 192003 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 25596738328 in words is "twenty-five billion, five hundred ninety-six million, seven hundred thirty-eight thousand, three hundred twenty-eight".