42440424422 has 16 divisors (see below), whose sum is σ = 70135574544. Its totient is φ = 19100100000.

The previous prime is 42440424413. The next prime is 42440424427. The reversal of 42440424422 is 22442404424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440424427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9547829 + ... + 9552272.

It is an arithmetic number, because the mean of its divisors is an integer number (4383473409).

Almost surely, 2^42440424422 is an apocalyptic number.

42440424422 is a deficient number, since it is larger than the sum of its proper divisors (27695150122).

42440424422 is a wasteful number, since it uses less digits than its factorization.

42440424422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19100215.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42440424422 its reverse (22442404424), we get a palindrome (64882828846).

The spelling of 42440424422 in words is "forty-two billion, four hundred forty million, four hundred twenty-four thousand, four hundred twenty-two".