25340443404412 has 12 divisors (see below), whose sum is σ = 44363898482400. Its totient is φ = 12665043838016.

The previous prime is 25340443404407. The next prime is 25340443404421. The reversal of 25340443404412 is 21440434404352.

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, 1294455037 + ... + 1294474612.

It is an arithmetic number, because the mean of its divisors is an integer number (3696991540200).

Almost surely, 2^{25340443404412} is an apocalyptic number.

It is an amenable number.

25340443404412 is a deficient number, since it is larger than the sum of its proper divisors (19023455077988).

25340443404412 is a wasteful number, since it uses less digits than its factorization.

25340443404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588932100 (or 2588932098 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 25340443404412 its reverse (21440434404352), we get a palindrome (46780877808764).

The spelling of 25340443404412 in words is "twenty-five trillion, three hundred forty billion, four hundred forty-three million, four hundred four thousand, four hundred twelve".