420304220444 has 12 divisors (see below), whose sum is σ = 736036530600. Its totient is φ = 210008068848.

The previous prime is 420304220437. The next prime is 420304220467. The reversal of 420304220444 is 444022403024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36003779 + ... + 36015450.

It is an arithmetic number, because the mean of its divisors is an integer number (61336377550).

Almost surely, 2^420304220444 is an apocalyptic number.

It is an amenable number.

420304220444 is a deficient number, since it is larger than the sum of its proper divisors (315732310156).

420304220444 is a wasteful number, since it uses less digits than its factorization.

420304220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72020692 (or 72020690 counting only the distinct ones).

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

Adding to 420304220444 its reverse (444022403024), we get a palindrome (864326623468).

The spelling of 420304220444 in words is "four hundred twenty billion, three hundred four million, two hundred twenty thousand, four hundred forty-four".