25613794336 has 96 divisors (see below), whose sum is σ = 56800009728. Its totient is φ = 11281290240.

The previous prime is 25613794301. The next prime is 25613794373. The reversal of 25613794336 is 63349731652.

It is a self number, because there is not a number n which added to its sum of digits gives 25613794336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4407945 + ... + 4413751.

It is an arithmetic number, because the mean of its divisors is an integer number (591666768).

Almost surely, 2^25613794336 is an apocalyptic number.

25613794336 is a gapful number since it is divisible by the number (26) 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 25613794336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28400004864).

25613794336 is an abundant number, since it is smaller than the sum of its proper divisors (31186215392).

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

25613794336 is a wasteful number, since it uses less digits than its factorization.

25613794336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 6306 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 49.

The spelling of 25613794336 in words is "twenty-five billion, six hundred thirteen million, seven hundred ninety-four thousand, three hundred thirty-six".