1044340440 has 128 divisors (see below), whose sum is σ = 3680812800. Its totient is φ = 233694720.

The previous prime is 1044340439. The next prime is 1044340459. The reversal of 1044340440 is 440434401.

1044340440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1044340440.

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, 13270 + ... + 47589.

It is an arithmetic number, because the mean of its divisors is an integer number (28756350).

Almost surely, 2^1044340440 is an apocalyptic number.

1044340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044340440 is an abundant number, since it is smaller than the sum of its proper divisors (2636472360).

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

1044340440 is a wasteful number, since it uses less digits than its factorization.

1044340440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60897 (or 60893 counting only the distinct ones).

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

The square root of 1044340440 is about 32316.2565901436. The cubic root of 1044340440 is about 1014.5669211319.

Adding to 1044340440 its reverse (440434401), we get a palindrome (1484774841).

The spelling of 1044340440 in words is "one billion, forty-four million, three hundred forty thousand, four hundred forty".