420444044 has 12 divisors (see below), whose sum is σ = 738378984. Its totient is φ = 209478624.

The previous prime is 420444023. The next prime is 420444047. The reversal of 420444044 is 440444024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420444047) 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, 184577 + ... + 186840.

It is an arithmetic number, because the mean of its divisors is an integer number (61531582).

Almost surely, 2^420444044 is an apocalyptic number.

It is an amenable number.

420444044 is a deficient number, since it is larger than the sum of its proper divisors (317934940).

420444044 is a wasteful number, since it uses less digits than its factorization.

420444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371704 (or 371702 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 420444044 is about 20504.7322342917. The cubic root of 420444044 is about 749.1510655170.

Adding to 420444044 its reverse (440444024), we get a palindrome (860888068).

The spelling of 420444044 in words is "four hundred twenty million, four hundred forty-four thousand, forty-four".