420404224004 has 24 divisors (see below), whose sum is σ = 739618404000. Its totient is φ = 209084972544.

The previous prime is 420404223997. The next prime is 420404224069. The reversal of 420404224004 is 400422404024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6485747 + ... + 6550245.

It is an arithmetic number, because the mean of its divisors is an integer number (30817433500).

Almost surely, 2^420404224004 is an apocalyptic number.

It is an amenable number.

420404224004 is a deficient number, since it is larger than the sum of its proper divisors (319214179996).

420404224004 is a wasteful number, since it uses less digits than its factorization.

420404224004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73139 (or 73137 counting only the distinct ones).

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

Adding to 420404224004 its reverse (400422404024), we get a palindrome (820826628028).

The spelling of 420404224004 in words is "four hundred twenty billion, four hundred four million, two hundred twenty-four thousand, four".