424421320204 has 72 divisors (see below), whose sum is σ = 939549354912. Its totient is φ = 166568209920.

The previous prime is 424421320157. The next prime is 424421320229. The reversal of 424421320204 is 402023124424.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1598032 + ... + 1844599.

It is an arithmetic number, because the mean of its divisors is an integer number (13049296596).

Almost surely, 2^424421320204 is an apocalyptic number.

It is an amenable number.

424421320204 is an abundant number, since it is smaller than the sum of its proper divisors (515128034708).

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

424421320204 is a wasteful number, since it uses less digits than its factorization.

424421320204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442703 (or 3442694 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 424421320204 its reverse (402023124424), we get a palindrome (826444444628).

The spelling of 424421320204 in words is "four hundred twenty-four billion, four hundred twenty-one million, three hundred twenty thousand, two hundred four".