25446116874 has 64 divisors (see below), whose sum is σ = 53944496640. Its totient is φ = 7988897280.

The previous prime is 25446116873. The next prime is 25446116879. The reversal of 25446116874 is 47861164452.

It is a super-3 number, since 3×25446116874³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25446116873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2554744 + ... + 2564684.

It is an arithmetic number, because the mean of its divisors is an integer number (842882760).

Almost surely, 2^25446116874 is an apocalyptic number.

25446116874 is an abundant number, since it is smaller than the sum of its proper divisors (28498379766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25446116874 is a wasteful number, since it uses less digits than its factorization.

25446116874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335.

The product of its digits is 1290240, while the sum is 48.

The spelling of 25446116874 in words is "twenty-five billion, four hundred forty-six million, one hundred sixteen thousand, eight hundred seventy-four".