26404453707 has 4 divisors (see below), whose sum is σ = 35205938280. Its totient is φ = 17602969136.

The previous prime is 26404453693. The next prime is 26404453739. The reversal of 26404453707 is 70735440462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26404453707 - 2³⁰ = 25330711883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26404453787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400742282 + ... + 4400742287.

It is an arithmetic number, because the mean of its divisors is an integer number (8801484570).

Almost surely, 2^26404453707 is an apocalyptic number.

26404453707 is a deficient number, since it is larger than the sum of its proper divisors (8801484573).

26404453707 is an equidigital number, since it uses as much as digits as its factorization.

26404453707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801484572.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 26404453707 in words is "twenty-six billion, four hundred four million, four hundred fifty-three thousand, seven hundred seven".