4043131040 has 96 divisors (see below), whose sum is σ = 10308540816. Its totient is φ = 1489674240.

The previous prime is 4043131031. The next prime is 4043131067. The reversal of 4043131040 is 401313404.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 539911696 + 3503219344 = 23236^2 + 59188^2 .

It is a super-2 number, since 2×4043131040² = 32693817213222963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123484 + ... + 1127076.

Almost surely, 2^4043131040 is an apocalyptic number.

4043131040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043131040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5154270408).

4043131040 is an abundant number, since it is smaller than the sum of its proper divisors (6265409776).

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

4043131040 is a wasteful number, since it uses less digits than its factorization.

4043131040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4043131040 is about 63585.6197579295. The cubic root of 4043131040 is about 1593.0861883708.

Adding to 4043131040 its reverse (401313404), we get a palindrome (4444444444).

The spelling of 4043131040 in words is "four billion, forty-three million, one hundred thirty-one thousand, forty".