1044143040 has 112 divisors (see below), whose sum is σ = 3362065920. Its totient is φ = 274498560.

The previous prime is 1044143027. The next prime is 1044143069. The reversal of 1044143040 is 403414401.

It is a junction number, because it is equal to n+sod(n) for n = 1044142998 and 1044143016.

It is a congruent number.

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, 60501 + ... + 75819.

Almost surely, 2^1044143040 is an apocalyptic number.

1044143040 is a gapful number since it is divisible by the number (10) 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 1044143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681032960).

1044143040 is an abundant number, since it is smaller than the sum of its proper divisors (2317922880).

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

1044143040 is a wasteful number, since it uses less digits than its factorization.

1044143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410 (or 15400 counting only the distinct ones).

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

The square root of 1044143040 is about 32313.2022554249. The cubic root of 1044143040 is about 1014.5029930223.

Adding to 1044143040 its reverse (403414401), we get a palindrome (1447557441).

The spelling of 1044143040 in words is "one billion, forty-four million, one hundred forty-three thousand, forty".