42440240003 has 6 divisors (see below), whose sum is σ = 49369258836. Its totient is φ = 36377348532.

The previous prime is 42440239993. The next prime is 42440240009. The reversal of 42440240003 is 30004204424.

It is not a de Polignac number, because 42440240003 - 2¹² = 42440235907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440240009) 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 5 ways as a sum of consecutive naturals, for example, 433063625 + ... + 433063722.

It is an arithmetic number, because the mean of its divisors is an integer number (8228209806).

Almost surely, 2^42440240003 is an apocalyptic number.

42440240003 is a deficient number, since it is larger than the sum of its proper divisors (6929018833).

42440240003 is an equidigital number, since it uses as much as digits as its factorization.

42440240003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866127361 (or 866127354 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 42440240003 its reverse (30004204424), we get a palindrome (72444444427).

The spelling of 42440240003 in words is "forty-two billion, four hundred forty million, two hundred forty thousand, three".