420024344 has 32 divisors (see below), whose sum is σ = 840913920. Its totient is φ = 196205856.

The previous prime is 420024337. The next prime is 420024349. The reversal of 420024344 is 443420024.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420024349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18632 + ... + 34455.

It is an arithmetic number, because the mean of its divisors is an integer number (26278560).

Almost surely, 2^420024344 is an apocalyptic number.

It is an amenable number.

420024344 is an abundant number, since it is smaller than the sum of its proper divisors (420889576).

420024344 is a wasteful number, since it uses less digits than its factorization.

420024344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53159 (or 53155 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 420024344 is about 20494.4954560975. The cubic root of 420024344 is about 748.9017074192.

Adding to 420024344 its reverse (443420024), we get a palindrome (863444368).

The spelling of 420024344 in words is "four hundred twenty million, twenty-four thousand, three hundred forty-four".