26440663466 has 8 divisors (see below), whose sum is σ = 45326851680. Its totient is φ = 11331712908.

The previous prime is 26440663427. The next prime is 26440663477. The reversal of 26440663466 is 66436604462.

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 26440663466.

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, 944309396 + ... + 944309423.

It is an arithmetic number, because the mean of its divisors is an integer number (5665856460).

Almost surely, 2^26440663466 is an apocalyptic number.

26440663466 is a deficient number, since it is larger than the sum of its proper divisors (18886188214).

26440663466 is a wasteful number, since it uses less digits than its factorization.

26440663466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888618828.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 26440663466 in words is "twenty-six billion, four hundred forty million, six hundred sixty-three thousand, four hundred sixty-six".