42440200220443 has 16 divisors (see below), whose sum is σ = 44547693120000. Its totient is φ = 40354714269760.

The previous prime is 42440200220389. The next prime is 42440200220449. The reversal of 42440200220443 is 34402200204424.

It is a cyclic number.

It is not a de Polignac number, because 42440200220443 - 2²¹ = 42440198123291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440200220449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10628223 + ... + 14065543.

It is an arithmetic number, because the mean of its divisors is an integer number (2784230820000).

Almost surely, 2^{42440200220443} is an apocalyptic number.

42440200220443 is a deficient number, since it is larger than the sum of its proper divisors (2107492899557).

42440200220443 is a wasteful number, since it uses less digits than its factorization.

42440200220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440522.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 42440200220443 its reverse (34402200204424), we get a palindrome (76842400424867).

The spelling of 42440200220443 in words is "forty-two trillion, four hundred forty billion, two hundred million, two hundred twenty thousand, four hundred forty-three".