26304492449 has 16 divisors (see below), whose sum is σ = 28094330880. Its totient is φ = 24555830400.

The previous prime is 26304492359. The next prime is 26304492463. The reversal of 26304492449 is 94429440362.

It is a cyclic number.

It is not a de Polignac number, because 26304492449 - 2¹⁶ = 26304426913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26304492749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588199 + ... + 1604675.

It is an arithmetic number, because the mean of its divisors is an integer number (1755895680).

Almost surely, 2^26304492449 is an apocalyptic number.

It is an amenable number.

26304492449 is a deficient number, since it is larger than the sum of its proper divisors (1789838431).

26304492449 is a wasteful number, since it uses less digits than its factorization.

26304492449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 26304492449 in words is "twenty-six billion, three hundred four million, four hundred ninety-two thousand, four hundred forty-nine".