264401422304401 has 4 divisors (see below), whose sum is σ = 264411423519412. Its totient is φ = 264391421089392.

The previous prime is 264401422304351. The next prime is 264401422304413. The reversal of 264401422304401 is 104403224104462.

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 240586436700801 + 23814985603600 = 15510849^2 + 4880060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264401422304401 is a prime.

It is a super-2 number, since 2×264401422304401² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264401422704401) 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, 5000567850 + ... + 5000620723.

It is an arithmetic number, because the mean of its divisors is an integer number (66102855879853).

Almost surely, 2^{264401422304401} is an apocalyptic number.

It is an amenable number.

264401422304401 is a deficient number, since it is larger than the sum of its proper divisors (10001215011).

264401422304401 is a wasteful number, since it uses less digits than its factorization.

264401422304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001215010.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 264401422304401 its reverse (104403224104462), we get a palindrome (368804646408863).

The spelling of 264401422304401 in words is "two hundred sixty-four trillion, four hundred one billion, four hundred twenty-two million, three hundred four thousand, four hundred one".