25942482678 has 96 divisors (see below), whose sum is σ = 61674912000. Its totient is φ = 7251685056.

The previous prime is 25942482593. The next prime is 25942482691. The reversal of 25942482678 is 87628424952.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2930583 + ... + 2939421.

It is an arithmetic number, because the mean of its divisors is an integer number (642447000).

Almost surely, 2^25942482678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25942482678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30837456000).

25942482678 is an abundant number, since it is smaller than the sum of its proper divisors (35732429322).

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

25942482678 is a wasteful number, since it uses less digits than its factorization.

25942482678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074 (or 9067 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 25942482678 in words is "twenty-five billion, nine hundred forty-two million, four hundred eighty-two thousand, six hundred seventy-eight".