26442543054765 has 16 divisors (see below), whose sum is σ = 42308152286400. Its totient is φ = 14102661829632.

The previous prime is 26442543054727. The next prime is 26442543054773. The reversal of 26442543054765 is 56745034524462.

It is not a de Polignac number, because 26442543054765 - 2¹³ = 26442543046573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7822446 + ... + 10680624.

It is an arithmetic number, because the mean of its divisors is an integer number (2644259517900).

Almost surely, 2^{26442543054765} is an apocalyptic number.

It is an amenable number.

26442543054765 is a deficient number, since it is larger than the sum of its proper divisors (15865609231635).

26442543054765 is a wasteful number, since it uses less digits than its factorization.

26442543054765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474956.

The product of its (nonzero) digits is 96768000, while the sum is 57.

The spelling of 26442543054765 in words is "twenty-six trillion, four hundred forty-two billion, five hundred forty-three million, fifty-four thousand, seven hundred sixty-five".