42004404424 has 16 divisors (see below), whose sum is σ = 78776524800. Its totient is φ = 20997331152.

The previous prime is 42004404341. The next prime is 42004404433. The reversal of 42004404424 is 42440440024.

It is a super-3 number, since 3×42004404424³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42004404392 and 42004404401.

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, 572104 + ... + 641335.

It is an arithmetic number, because the mean of its divisors is an integer number (4923532800).

Almost surely, 2^42004404424 is an apocalyptic number.

It is an amenable number.

42004404424 is a deficient number, since it is larger than the sum of its proper divisors (36772120376).

42004404424 is a wasteful number, since it uses less digits than its factorization.

42004404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217772 (or 1217768 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42004404424 its reverse (42440440024), we get a palindrome (84444844448).

The spelling of 42004404424 in words is "forty-two billion, four million, four hundred four thousand, four hundred twenty-four".