1044434040 has 128 divisors (see below), whose sum is σ = 3387908160. Its totient is φ = 256057344.

The previous prime is 1044434023. The next prime is 1044434057. The reversal of 1044434040 is 404344401.

It is an interprime number because it is at equal distance from previous prime (1044434023) and next prime (1044434057).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1044434040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430912 + ... + 433328.

Almost surely, 2^1044434040 is an apocalyptic number.

1044434040 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 1044434040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693954080).

1044434040 is an abundant number, since it is smaller than the sum of its proper divisors (2343474120).

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

1044434040 is a wasteful number, since it uses less digits than its factorization.

1044434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1044434040 is about 32317.7047452321. The cubic root of 1044434040 is about 1014.5972307331.

Adding to 1044434040 its reverse (404344401), we get a palindrome (1448778441).

The spelling of 1044434040 in words is "one billion, forty-four million, four hundred thirty-four thousand, forty".