424442140345441 has 4 divisors (see below), whose sum is σ = 424533163755712. Its totient is φ = 424351116935172.

The previous prime is 424442140345427. The next prime is 424442140345523. The reversal of 424442140345441 is 144543041244424.

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-424442140345441 is a prime.

It is a super-2 number, since 2×424442140345441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424442140345391 and 424442140345400.

It is not an unprimeable number, because it can be changed into a prime (424442140375441) 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, 45511698141 + ... + 45511707466.

It is an arithmetic number, because the mean of its divisors is an integer number (106133290938928).

Almost surely, 2^{424442140345441} is an apocalyptic number.

It is an amenable number.

424442140345441 is a deficient number, since it is larger than the sum of its proper divisors (91023410271).

424442140345441 is an equidigital number, since it uses as much as digits as its factorization.

424442140345441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91023410270.

The product of its (nonzero) digits is 3932160, while the sum is 46.

Adding to 424442140345441 its reverse (144543041244424), we get a palindrome (568985181589865).

The spelling of 424442140345441 in words is "four hundred twenty-four trillion, four hundred forty-two billion, one hundred forty million, three hundred forty-five thousand, four hundred forty-one".