4201223440 has 20 divisors (see below), whose sum is σ = 9767844684. Its totient is φ = 1680489344.

The previous prime is 4201223387. The next prime is 4201223473. The reversal of 4201223440 is 443221024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 975437824 + 3225785616 = 31232^2 + 56796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26257567 + ... + 26257726.

Almost surely, 2^4201223440 is an apocalyptic number.

4201223440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4201223440 is an abundant number, since it is smaller than the sum of its proper divisors (5566621244).

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

4201223440 is a wasteful number, since it uses less digits than its factorization.

4201223440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52515306 (or 52515300 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4201223440 is about 64816.8453413154. The cubic root of 4201223440 is about 1613.5852921760.

Adding to 4201223440 its reverse (443221024), we get a palindrome (4644444464).

The spelling of 4201223440 in words is "four billion, two hundred one million, two hundred twenty-three thousand, four hundred forty".