26274064646 has 8 divisors (see below), whose sum is σ = 39462349080. Its totient is φ = 13119948288.

The previous prime is 26274064603. The next prime is 26274064667. The reversal of 26274064646 is 64646047262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26274064646.

It is a congruent number.

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, 8540096 + ... + 8543171.

It is an arithmetic number, because the mean of its divisors is an integer number (4932793635).

Almost surely, 2^26274064646 is an apocalyptic number.

26274064646 is a deficient number, since it is larger than the sum of its proper divisors (13188284434).

26274064646 is a wasteful number, since it uses less digits than its factorization.

26274064646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17084038.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 26274064646 in words is "twenty-six billion, two hundred seventy-four million, sixty-four thousand, six hundred forty-six".