26274350401 has 6 divisors (see below), whose sum is σ = 28450923990. Its totient is φ = 24253246368.

The previous prime is 26274350387. The next prime is 26274350419. The reversal of 26274350401 is 10405347262.

It can be written as a sum of positive squares in 3 ways, for example, as 1455498801 + 24818851600 = 38151^2 + 157540^2 .

It is not a de Polignac number, because 26274350401 - 2⁷ = 26274350273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26274350101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77734596 + ... + 77734933.

It is an arithmetic number, because the mean of its divisors is an integer number (4741820665).

Almost surely, 2^26274350401 is an apocalyptic number.

It is an amenable number.

26274350401 is a deficient number, since it is larger than the sum of its proper divisors (2176573589).

26274350401 is a wasteful number, since it uses less digits than its factorization.

26274350401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155469555 (or 155469542 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 26274350401 its reverse (10405347262), we get a palindrome (36679697663).

The spelling of 26274350401 in words is "twenty-six billion, two hundred seventy-four million, three hundred fifty thousand, four hundred one".