26685939684 has 48 divisors (see below), whose sum is σ = 64303981056. Its totient is φ = 8604595200.

The previous prime is 26685939649. The next prime is 26685939701. The reversal of 26685939684 is 48693958662.

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, 906964 + ... + 935924.

It is an arithmetic number, because the mean of its divisors is an integer number (1339666272).

Almost surely, 2^26685939684 is an apocalyptic number.

It is an amenable number.

26685939684 is an abundant number, since it is smaller than the sum of its proper divisors (37618041372).

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

26685939684 is a wasteful number, since it uses less digits than its factorization.

26685939684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31476 (or 31474 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 66.

The spelling of 26685939684 in words is "twenty-six billion, six hundred eighty-five million, nine hundred thirty-nine thousand, six hundred eighty-four".