4442230440 has 96 divisors (see below), whose sum is σ = 14935120200. Its totient is φ = 1143744000.

The previous prime is 4442230433. The next prime is 4442230447. The reversal of 4442230440 is 440322444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4442230433) and next prime (4442230447).

It can be written as a sum of positive squares in 4 ways, for example, as 3099594276 + 1342636164 = 55674^2 + 36642^2 .

It is a super-2 number, since 2×4442230440² = 39466822564125187200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4442230447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202311 + ... + 223190.

Almost surely, 2^4442230440 is an apocalyptic number.

4442230440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4442230440 is an abundant number, since it is smaller than the sum of its proper divisors (10492889760).

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

4442230440 is a wasteful number, since it uses less digits than its factorization.

4442230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425547 (or 425540 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4442230440 is about 66650.0595648646. The cubic root of 4442230440 is about 1643.8683273163.

Adding to 4442230440 its reverse (440322444), we get a palindrome (4882552884).

The spelling of 4442230440 in words is "four billion, four hundred forty-two million, two hundred thirty thousand, four hundred forty".