4400143240 has 16 divisors (see below), whose sum is σ = 9900322380. Its totient is φ = 1760057280.

The previous prime is 4400143207. The next prime is 4400143249. The reversal of 4400143240 is 423410044.

It can be written as a sum of positive squares in 2 ways, for example, as 4127034564 + 273108676 = 64242^2 + 16526^2 .

It is a super-2 number, since 2×4400143240² = 38722521065035395200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4400143249) 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 3 ways as a sum of consecutive naturals, for example, 55001751 + ... + 55001830.

Almost surely, 2^4400143240 is an apocalyptic number.

4400143240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400143240 is an abundant number, since it is smaller than the sum of its proper divisors (5500179140).

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

4400143240 is a wasteful number, since it uses less digits than its factorization.

4400143240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110003592 (or 110003588 counting only the distinct ones).

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

The square root of 4400143240 is about 66333.5755104457. The cubic root of 4400143240 is about 1638.6603227627.

Adding to 4400143240 its reverse (423410044), we get a palindrome (4823553284).

The spelling of 4400143240 in words is "four billion, four hundred million, one hundred forty-three thousand, two hundred forty".