25404443013142 has 8 divisors (see below), whose sum is σ = 38106792941256. Its totient is φ = 12702178699392.

The previous prime is 25404443013113. The next prime is 25404443013181. The reversal of 25404443013142 is 24131034440452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20656548 + ... + 21851815.

It is an arithmetic number, because the mean of its divisors is an integer number (4763349117657).

Almost surely, 2^{25404443013142} is an apocalyptic number.

25404443013142 is a deficient number, since it is larger than the sum of its proper divisors (12702349928114).

25404443013142 is a wasteful number, since it uses less digits than its factorization.

25404443013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42807182.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 25404443013142 its reverse (24131034440452), we get a palindrome (49535477453594).

The spelling of 25404443013142 in words is "twenty-five trillion, four hundred four billion, four hundred forty-three million, thirteen thousand, one hundred forty-two".