26456173243642 has 16 divisors (see below), whose sum is σ = 41775809502240. Its totient is φ = 12531000222288.

The previous prime is 26456173243541. The next prime is 26456173243751. The reversal of 26456173243642 is 24634237165462.

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, 23649273 + ... + 24742684.

It is an arithmetic number, because the mean of its divisors is an integer number (2610988093890).

Almost surely, 2^{26456173243642} is an apocalyptic number.

26456173243642 is a deficient number, since it is larger than the sum of its proper divisors (15319636258598).

26456173243642 is a wasteful number, since it uses less digits than its factorization.

26456173243642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48406365.

The product of its digits is 34836480, while the sum is 55.

The spelling of 26456173243642 in words is "twenty-six trillion, four hundred fifty-six billion, one hundred seventy-three million, two hundred forty-three thousand, six hundred forty-two".