26640845662 has 8 divisors (see below), whose sum is σ = 40334738616. Its totient is φ = 13195932792.

The previous prime is 26640845659. The next prime is 26640845701. The reversal of 26640845662 is 26654804662.

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

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, 62244753 + ... + 62245180.

It is an arithmetic number, because the mean of its divisors is an integer number (5041842327).

Almost surely, 2^26640845662 is an apocalyptic number.

26640845662 is a deficient number, since it is larger than the sum of its proper divisors (13693892954).

26640845662 is a wasteful number, since it uses less digits than its factorization.

26640845662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124490042.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 26640845662 in words is "twenty-six billion, six hundred forty million, eight hundred forty-five thousand, six hundred sixty-two".