26042662643 has 8 divisors (see below), whose sum is σ = 26355792240. Its totient is φ = 25729989120.

The previous prime is 26042662637. The next prime is 26042662651. The reversal of 26042662643 is 34626624062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26042662643 - 2⁶ = 26042662579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26042662643.

It is not an unprimeable number, because it can be changed into a prime (26042662673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 228227.

It is an arithmetic number, because the mean of its divisors is an integer number (3294474030).

Almost surely, 2^26042662643 is an apocalyptic number.

26042662643 is a deficient number, since it is larger than the sum of its proper divisors (313129597).

26042662643 is a wasteful number, since it uses less digits than its factorization.

26042662643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228037.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 26042662643 in words is "twenty-six billion, forty-two million, six hundred sixty-two thousand, six hundred forty-three".