1040143344 has 40 divisors (see below), whose sum is σ = 2688339840. Its totient is φ = 346546368.

The previous prime is 1040143327. The next prime is 1040143381. The reversal of 1040143344 is 4433410401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131469 + ... + 139155.

It is an arithmetic number, because the mean of its divisors is an integer number (67208496).

Almost surely, 2^1040143344 is an apocalyptic number.

It is an amenable number.

1040143344 is an abundant number, since it is smaller than the sum of its proper divisors (1648196496).

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

1040143344 is a wasteful number, since it uses less digits than its factorization.

1040143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517 (or 10511 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1040143344 is about 32251.2533709932. The cubic root of 1040143344 is about 1013.2059498617.

Adding to 1040143344 its reverse (4433410401), we get a palindrome (5473553745).

The spelling of 1040143344 in words is "one billion, forty million, one hundred forty-three thousand, three hundred forty-four".