4400020242 has 24 divisors (see below), whose sum is σ = 9791037516. Its totient is φ = 1427033376.

The previous prime is 4400020241. The next prime is 4400020243. The reversal of 4400020242 is 2420200044.

4400020242 is a `hidden beast` number, since 4 + 400 + 0 + 20 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (4400020241) and next prime (4400020243).

It can be written as a sum of positive squares in 2 ways, for example, as 4283833401 + 116186841 = 65451^2 + 10779^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4400020241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3302653 + ... + 3303984.

Almost surely, 2^4400020242 is an apocalyptic number.

4400020242 is an abundant number, since it is smaller than the sum of its proper divisors (5391017274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4400020242 is a wasteful number, since it uses less digits than its factorization.

4400020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606682 (or 6606679 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4400020242 is about 66332.6483867484. The cubic root of 4400020242 is about 1638.6450540309.

Adding to 4400020242 its reverse (2420200044), we get a palindrome (6820220286).

The spelling of 4400020242 in words is "four billion, four hundred million, twenty thousand, two hundred forty-two".