26006642602642 has 64 divisors (see below), whose sum is σ = 43794903696768. Its totient is φ = 11504109888000.

The previous prime is 26006642602639. The next prime is 26006642602723. The reversal of 26006642602642 is 24620624660062.

It is a junction number, because it is equal to n+sod(n) for n = 26006642602592 and 26006642602601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52489513 + ... + 52982659.

It is an arithmetic number, because the mean of its divisors is an integer number (684295370262).

Almost surely, 2^{26006642602642} is an apocalyptic number.

26006642602642 is a deficient number, since it is larger than the sum of its proper divisors (17788261094126).

26006642602642 is a wasteful number, since it uses less digits than its factorization.

26006642602642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494075.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 26006642602642 in words is "twenty-six trillion, six billion, six hundred forty-two million, six hundred two thousand, six hundred forty-two".