25414442336 has 24 divisors (see below), whose sum is σ = 50043147840. Its totient is φ = 12705071488.

The previous prime is 25414442329. The next prime is 25414442341. The reversal of 25414442336 is 63324441452.

It is a self number, because there is not a number n which added to its sum of digits gives 25414442336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134225 + ... + 262383.

It is an arithmetic number, because the mean of its divisors is an integer number (2085131160).

Almost surely, 2^25414442336 is an apocalyptic number.

It is an amenable number.

25414442336 is a deficient number, since it is larger than the sum of its proper divisors (24628705504).

25414442336 is a wasteful number, since it uses less digits than its factorization.

25414442336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134366 (or 134358 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

Adding to 25414442336 its reverse (63324441452), we get a palindrome (88738883788).

The spelling of 25414442336 in words is "twenty-five billion, four hundred fourteen million, four hundred forty-two thousand, three hundred thirty-six".