1044442240 has 64 divisors (see below), whose sum is σ = 2504597760. Its totient is φ = 416484352.

The previous prime is 1044442237. The next prime is 1044442271. The reversal of 1044442240 is 422444401.

It is a tau number, because it is divible by the number of its divisors (64).

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, 219729 + ... + 224431.

It is an arithmetic number, because the mean of its divisors is an integer number (39134340).

Almost surely, 2^1044442240 is an apocalyptic number.

1044442240 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 1044442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252298880).

1044442240 is an abundant number, since it is smaller than the sum of its proper divisors (1460155520).

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

1044442240 is an equidigital number, since it uses as much as digits as its factorization.

1044442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1044442240 is about 32317.8316104283. The cubic root of 1044442240 is about 1014.5998859752.

Adding to 1044442240 its reverse (422444401), we get a palindrome (1466886641).

The spelling of 1044442240 in words is "one billion, forty-four million, four hundred forty-two thousand, two hundred forty".