26227048391 has 12 divisors (see below), whose sum is σ = 27345045000. Its totient is φ = 25152596448.

The previous prime is 26227048381. The next prime is 26227048399. The reversal of 26227048391 is 19384072262.

It is a de Polignac number, because none of the positive numbers 2^k-26227048391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26227048399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20660 + ... + 229958.

It is an arithmetic number, because the mean of its divisors is an integer number (2278753750).

Almost surely, 2^26227048391 is an apocalyptic number.

26227048391 is a deficient number, since it is larger than the sum of its proper divisors (1117996609).

26227048391 is a wasteful number, since it uses less digits than its factorization.

26227048391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209506 (or 209477 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 26227048391 in words is "twenty-six billion, two hundred twenty-seven million, forty-eight thousand, three hundred ninety-one".