25204403616242 has 16 divisors (see below), whose sum is σ = 40031008224480. Its totient is φ = 11860752164928.

The previous prime is 25204403616211. The next prime is 25204403616251. The reversal of 25204403616242 is 24261630440252.

It is a super-3 number, since 3×25204403616242³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25204403616242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614008 + ... + 7281059.

It is an arithmetic number, because the mean of its divisors is an integer number (2501938014030).

Almost surely, 2^{25204403616242} is an apocalyptic number.

25204403616242 is a deficient number, since it is larger than the sum of its proper divisors (14826604608238).

25204403616242 is a wasteful number, since it uses less digits than its factorization.

25204403616242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978425.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 25204403616242 in words is "twenty-five trillion, two hundred four billion, four hundred three million, six hundred sixteen thousand, two hundred forty-two".