42440884443 has 36 divisors (see below), whose sum is σ = 64513048440. Its totient is φ = 27575281440.

The previous prime is 42440884441. The next prime is 42440884471. The reversal of 42440884443 is 34448804424.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 42440884443 - 2¹ = 42440884441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42440884441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43888746 + ... + 43889712.

Almost surely, 2^42440884443 is an apocalyptic number.

42440884443 is a deficient number, since it is larger than the sum of its proper divisors (22072163997).

42440884443 is an frugal number, since it uses more digits than its factorization.

42440884443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 45.

The spelling of 42440884443 in words is "forty-two billion, four hundred forty million, eight hundred eighty-four thousand, four hundred forty-three".