25441730557642 has 32 divisors (see below), whose sum is σ = 44212459060224. Its totient is φ = 10754086953600.

The previous prime is 25441730557637. The next prime is 25441730557669. The reversal of 25441730557642 is 24675503714452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107744967 + ... + 107980837.

It is an arithmetic number, because the mean of its divisors is an integer number (1381639345632).

Almost surely, 2^{25441730557642} is an apocalyptic number.

25441730557642 is a deficient number, since it is larger than the sum of its proper divisors (18770728502582).

25441730557642 is a wasteful number, since it uses less digits than its factorization.

25441730557642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341494.

The product of its (nonzero) digits is 28224000, while the sum is 55.

The spelling of 25441730557642 in words is "twenty-five trillion, four hundred forty-one billion, seven hundred thirty million, five hundred fifty-seven thousand, six hundred forty-two".