26944565904 has 45 divisors (see below), whose sum is σ = 75412874563. Its totient is φ = 8980865376.

The previous prime is 26944565891. The next prime is 26944565917. The reversal of 26944565904 is 40956544962.

The square root of 26944565904 is 164148.

It is a perfect power (a square), and thus also a powerful number.

26944565904 is a `hidden beast` number, since 2 + 6 + 9 + 4 + 45 + 6 + 590 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (26944565891) and next prime (26944565917).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1962937 + ... + 1976615.

Almost surely, 2^26944565904 is an apocalyptic number.

26944565904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

26944565904 is the 164148-th square number.

It is an amenable number.

26944565904 is an abundant number, since it is smaller than the sum of its proper divisors (48468308659).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26944565904 is an frugal number, since it uses more digits than its factorization.

26944565904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27372 (or 13684 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 26944565904 in words is "twenty-six billion, nine hundred forty-four million, five hundred sixty-five thousand, nine hundred four".