424404402004 has 48 divisors (see below), whose sum is σ = 813885408000. Its totient is φ = 192040486400.

The previous prime is 424404402001. The next prime is 424404402017. The reversal of 424404402004 is 400204404424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424404402001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48884544 + ... + 48893224.

It is an arithmetic number, because the mean of its divisors is an integer number (16955946000).

Almost surely, 2^424404402004 is an apocalyptic number.

424404402004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

424404402004 is a deficient number, since it is larger than the sum of its proper divisors (389481005996).

424404402004 is a wasteful number, since it uses less digits than its factorization.

424404402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13584 (or 13582 counting only the distinct ones).

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

Adding to 424404402004 its reverse (400204404424), we get a palindrome (824608806428).

It can be divided in two parts, 42440 and 4402004, that added together give a palindrome (4444444).

The spelling of 424404402004 in words is "four hundred twenty-four billion, four hundred four million, four hundred two thousand, four".