25680790429734 has 32 divisors (see below), whose sum is σ = 56366329372416. Its totient is φ = 7735458554720.

The previous prime is 25680790429687. The next prime is 25680790429757. The reversal of 25680790429734 is 43792409708652.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 1164967677 + ... + 1164989720.

It is an arithmetic number, because the mean of its divisors is an integer number (1761447792888).

Almost surely, 2^{25680790429734} is an apocalyptic number.

25680790429734 is an abundant number, since it is smaller than the sum of its proper divisors (30685538942682).

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

25680790429734 is a wasteful number, since it uses less digits than its factorization.

25680790429734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329957580.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 25680790429734 in words is "twenty-five trillion, six hundred eighty billion, seven hundred ninety million, four hundred twenty-nine thousand, seven hundred thirty-four".