1040044143 has 8 divisors (see below), whose sum is σ = 1387100848. Its totient is φ = 693175104.

The previous prime is 1040044127. The next prime is 1040044147. The reversal of 1040044143 is 3414400401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040044143 - 2⁴ = 1040044127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040044147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33430 + ... + 56547.

It is an arithmetic number, because the mean of its divisors is an integer number (173387606).

Almost surely, 2^1040044143 is an apocalyptic number.

1040044143 is a deficient number, since it is larger than the sum of its proper divisors (347056705).

1040044143 is an equidigital number, since it uses as much as digits as its factorization.

1040044143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93833.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1040044143 is about 32249.7153940930. The cubic root of 1040044143 is about 1013.1737381993.

Adding to 1040044143 its reverse (3414400401), we get a palindrome (4454444544).

The spelling of 1040044143 in words is "one billion, forty million, forty-four thousand, one hundred forty-three".