26946845648 has 80 divisors (see below), whose sum is σ = 54150581760. Its totient is φ = 12984192000.

The previous prime is 26946845633. The next prime is 26946845663. The reversal of 26946845648 is 84654864962.

It is an interprime number because it is at equal distance from previous prime (26946845633) and next prime (26946845663).

It is a super-2 number, since 2×26946845648² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 10561973 + ... + 10564523.

It is an arithmetic number, because the mean of its divisors is an integer number (676882272).

Almost surely, 2^26946845648 is an apocalyptic number.

It is an amenable number.

26946845648 is an abundant number, since it is smaller than the sum of its proper divisors (27203736112).

26946845648 is a wasteful number, since it uses less digits than its factorization.

26946845648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2830 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 62.

The spelling of 26946845648 in words is "twenty-six billion, nine hundred forty-six million, eight hundred forty-five thousand, six hundred forty-eight".