25044340428842 has 16 divisors (see below), whose sum is σ = 43375764868800. Its totient is φ = 10622636293248.

The previous prime is 25044340428839. The next prime is 25044340428881. The reversal of 25044340428842 is 24882404344052.

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, 9221037092 + ... + 9221039807.

It is an arithmetic number, because the mean of its divisors is an integer number (2710985304300).

Almost surely, 2^{25044340428842} is an apocalyptic number.

25044340428842 is a deficient number, since it is larger than the sum of its proper divisors (18331424439958).

25044340428842 is a wasteful number, since it uses less digits than its factorization.

25044340428842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442077005.

The product of its (nonzero) digits is 7864320, while the sum is 50.

The spelling of 25044340428842 in words is "twenty-five trillion, forty-four billion, three hundred forty million, four hundred twenty-eight thousand, eight hundred forty-two".