420224303344 has 20 divisors (see below), whose sum is σ = 814309492960. Its totient is φ = 210079918080.

The previous prime is 420224303329. The next prime is 420224303347. The reversal of 420224303344 is 443303422024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420224303347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906872 + ... + 2115799.

It is an arithmetic number, because the mean of its divisors is an integer number (40715474648).

Almost surely, 2^420224303344 is an apocalyptic number.

It is an amenable number.

420224303344 is a deficient number, since it is larger than the sum of its proper divisors (394085189616).

420224303344 is a wasteful number, since it uses less digits than its factorization.

420224303344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029208 (or 4029202 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 420224303344 its reverse (443303422024), we get a palindrome (863527725368).

The spelling of 420224303344 in words is "four hundred twenty billion, two hundred twenty-four million, three hundred three thousand, three hundred forty-four".