25911449342 has 8 divisors (see below), whose sum is σ = 40557051216. Its totient is φ = 12392432272.

The previous prime is 25911449341. The next prime is 25911449381. The reversal of 25911449342 is 24394411952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25911449293 and 25911449302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25911449341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281646143 + ... + 281646234.

It is an arithmetic number, because the mean of its divisors is an integer number (5069631402).

Almost surely, 2^25911449342 is an apocalyptic number.

25911449342 is a deficient number, since it is larger than the sum of its proper divisors (14645601874).

25911449342 is a wasteful number, since it uses less digits than its factorization.

25911449342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563292402.

The product of its digits is 311040, while the sum is 44.

The spelling of 25911449342 in words is "twenty-five billion, nine hundred eleven million, four hundred forty-nine thousand, three hundred forty-two".