424424004004 has 48 divisors (see below), whose sum is σ = 997248018816. Its totient is φ = 152640000000.

The previous prime is 424424004001. The next prime is 424424004031. The reversal of 424424004004 is 400400424424.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (424424004001) 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 15 ways as a sum of consecutive naturals, for example, 52995997 + ... + 53004004.

It is an arithmetic number, because the mean of its divisors is an integer number (20776000392).

Almost surely, 2^424424004004 is an apocalyptic number.

424424004004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

424424004004 is an abundant number, since it is smaller than the sum of its proper divisors (572824014812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424424004004 is a wasteful number, since it uses less digits than its factorization.

424424004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106000036 (or 106000034 counting only the distinct ones).

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

Adding to 424424004004 its reverse (400400424424), we get a palindrome (824824428428).

The spelling of 424424004004 in words is "four hundred twenty-four billion, four hundred twenty-four million, four thousand, four".