26994738080 has 24 divisors (see below), whose sum is σ = 63775069092. Its totient is φ = 10797895168.

The previous prime is 26994738079. The next prime is 26994738083. The reversal of 26994738080 is 8083749962.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26986604176 + 8133904 = 164276^2 + 2852^2 .

It is not an unprimeable number, because it can be changed into a prime (26994738083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84358397 + ... + 84358716.

Almost surely, 2^26994738080 is an apocalyptic number.

26994738080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26994738080 is an abundant number, since it is smaller than the sum of its proper divisors (36780331012).

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

26994738080 is a wasteful number, since it uses less digits than its factorization.

26994738080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168717128 (or 168717120 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 26994738080 in words is "twenty-six billion, nine hundred ninety-four million, seven hundred thirty-eight thousand, eighty".