42440020424 has 16 divisors (see below), whose sum is σ = 79690207920. Its totient is φ = 21189298320.

The previous prime is 42440020297. The next prime is 42440020433. The reversal of 42440020424 is 42402004424.

42440020424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42440020393 and 42440020402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833114 + ... + 3844169.

It is an arithmetic number, because the mean of its divisors is an integer number (4980637995).

Almost surely, 2^42440020424 is an apocalyptic number.

It is an amenable number.

42440020424 is a deficient number, since it is larger than the sum of its proper divisors (37250187496).

42440020424 is a wasteful number, since it uses less digits than its factorization.

42440020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677980 (or 7677976 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42440020424 its reverse (42402004424), we get a palindrome (84842024848).

The spelling of 42440020424 in words is "forty-two billion, four hundred forty million, twenty thousand, four hundred twenty-four".