26722792506 has 16 divisors (see below), whose sum is σ = 53935912800. Its totient is φ = 8825876208.

The previous prime is 26722792477. The next prime is 26722792517. The reversal of 26722792506 is 60529722762.

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, 20429616 + ... + 20430923.

It is an arithmetic number, because the mean of its divisors is an integer number (3370994550).

Almost surely, 2^26722792506 is an apocalyptic number.

26722792506 is an abundant number, since it is smaller than the sum of its proper divisors (27213120294).

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

26722792506 is a wasteful number, since it uses less digits than its factorization.

26722792506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40860653.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 26722792506 in words is "twenty-six billion, seven hundred twenty-two million, seven hundred ninety-two thousand, five hundred six".