26318447401 has 8 divisors (see below), whose sum is σ = 27229221000. Its totient is φ = 25407889920.

The previous prime is 26318447381. The next prime is 26318447413. The reversal of 26318447401 is 10474481362.

It can be written as a sum of positive squares in 4 ways, for example, as 3984639376 + 22333808025 = 63124^2 + 149445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26318447401 - 2⁷ = 26318447273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26318447471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216825 + ... + 315673.

It is an arithmetic number, because the mean of its divisors is an integer number (3403652625).

Almost surely, 2^26318447401 is an apocalyptic number.

It is an amenable number.

26318447401 is a deficient number, since it is larger than the sum of its proper divisors (910773599).

26318447401 is an equidigital number, since it uses as much as digits as its factorization.

26318447401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108059.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 26318447401 in words is "twenty-six billion, three hundred eighteen million, four hundred forty-seven thousand, four hundred one".