26241650401 has 4 divisors (see below), whose sum is σ = 26266384404. Its totient is φ = 26216916400.

The previous prime is 26241650353. The next prime is 26241650417. The reversal of 26241650401 is 10405614262.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23189198400 + 3052452001 = 152280^2 + 55249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26241650401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26241650431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12365410 + ... + 12367531.

It is an arithmetic number, because the mean of its divisors is an integer number (6566596101).

Almost surely, 2^26241650401 is an apocalyptic number.

It is an amenable number.

26241650401 is a deficient number, since it is larger than the sum of its proper divisors (24734003).

26241650401 is a wasteful number, since it uses less digits than its factorization.

26241650401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24734002.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 26241650401 in words is "twenty-six billion, two hundred forty-one million, six hundred fifty thousand, four hundred one".