26639941394 has 8 divisors (see below), whose sum is σ = 43592631408. Its totient is φ = 12109064260.

The previous prime is 26639941381. The next prime is 26639941463. The reversal of 26639941394 is 49314993662.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605453192 + ... + 605453235.

It is an arithmetic number, because the mean of its divisors is an integer number (5449078926).

Almost surely, 2^26639941394 is an apocalyptic number.

26639941394 is a deficient number, since it is larger than the sum of its proper divisors (16952690014).

26639941394 is a wasteful number, since it uses less digits than its factorization.

26639941394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210906440.

The product of its digits is 7558272, while the sum is 56.

The spelling of 26639941394 in words is "twenty-six billion, six hundred thirty-nine million, nine hundred forty-one thousand, three hundred ninety-four".