26923078450 has 24 divisors (see below), whose sum is σ = 51298318260. Its totient is φ = 10506566400.

The previous prime is 26923078387. The next prime is 26923078549. The reversal of 26923078450 is 5487032962.

It can be written as a sum of positive squares in 6 ways, for example, as 5004572049 + 21918506401 = 70743^2 + 148049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26923078450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6564555 + ... + 6568654.

Almost surely, 2^26923078450 is an apocalyptic number.

26923078450 is a deficient number, since it is larger than the sum of its proper divisors (24375239810).

26923078450 is a wasteful number, since it uses less digits than its factorization.

26923078450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133262 (or 13133257 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 26923078450 in words is "twenty-six billion, nine hundred twenty-three million, seventy-eight thousand, four hundred fifty".