420023024444 has 24 divisors (see below), whose sum is σ = 812116132128. Its totient is φ = 189064071680.

The previous prime is 420023024431. The next prime is 420023024483. The reversal of 420023024444 is 444420320024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134276897 + ... + 134280024.

It is an arithmetic number, because the mean of its divisors is an integer number (33838172172).

Almost surely, 2^420023024444 is an apocalyptic number.

It is an amenable number.

420023024444 is a deficient number, since it is larger than the sum of its proper divisors (392093107684).

420023024444 is a wasteful number, since it uses less digits than its factorization.

420023024444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268556965 (or 268556963 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 420023024444 its reverse (444420320024), we get a palindrome (864443344468).

The spelling of 420023024444 in words is "four hundred twenty billion, twenty-three million, twenty-four thousand, four hundred forty-four".