440401224232001 has 4 divisors (see below), whose sum is σ = 440401834318512. Its totient is φ = 440400614145492.

The previous prime is 440401224231989. The next prime is 440401224232003. The reversal of 440401224232001 is 100232422104044.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440401224232001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440401224232003) 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, 303959171 + ... + 305404616.

It is an arithmetic number, because the mean of its divisors is an integer number (110100458579628).

Almost surely, 2^{440401224232001} is an apocalyptic number.

It is an amenable number.

440401224232001 is a deficient number, since it is larger than the sum of its proper divisors (610086511).

440401224232001 is an equidigital number, since it uses as much as digits as its factorization.

440401224232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610086510.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440401224232001 its reverse (100232422104044), we get a palindrome (540633646336045).

The spelling of 440401224232001 in words is "four hundred forty trillion, four hundred one billion, two hundred twenty-four million, two hundred thirty-two thousand, one".