26045400401 has 4 divisors (see below), whose sum is σ = 26081625600. Its totient is φ = 26009175204.

The previous prime is 26045400389. The next prime is 26045400413. The reversal of 26045400401 is 10400454062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (26045400389) and next prime (26045400413).

It is a cyclic number.

It is not a de Polignac number, because 26045400401 - 2¹⁰ = 26045399377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26045460401) 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, 18111521 + ... + 18112958.

It is an arithmetic number, because the mean of its divisors is an integer number (6520406400).

Almost surely, 2^26045400401 is an apocalyptic number.

It is an amenable number.

26045400401 is a deficient number, since it is larger than the sum of its proper divisors (36225199).

26045400401 is an equidigital number, since it uses as much as digits as its factorization.

26045400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225198.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 26045400401 its reverse (10400454062), we get a palindrome (36445854463).

The spelling of 26045400401 in words is "twenty-six billion, forty-five million, four hundred thousand, four hundred one".