420004440244 has 6 divisors (see below), whose sum is σ = 735007770434. Its totient is φ = 210002220120.

The previous prime is 420004440241. The next prime is 420004440253. The reversal of 420004440244 is 442044400024.

It can be written as a sum of positive squares in only one way, i.e., 419981763600 + 22676644 = 648060^2 + 4762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420004440241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500555027 + ... + 52500555034.

Almost surely, 2^420004440244 is an apocalyptic number.

It is an amenable number.

420004440244 is a deficient number, since it is larger than the sum of its proper divisors (315003330190).

420004440244 is a wasteful number, since it uses less digits than its factorization.

420004440244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105001110065 (or 105001110063 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 420004440244 its reverse (442044400024), we get a palindrome (862048840268).

The spelling of 420004440244 in words is "four hundred twenty billion, four million, four hundred forty thousand, two hundred forty-four".