1441325440 has 64 divisors (see below), whose sum is σ = 3497200560. Its totient is φ = 567908352.

The previous prime is 1441325419. The next prime is 1441325443. The reversal of 1441325440 is 445231441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1441325399 and 1441325408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441325443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26074 + ... + 59686.

Almost surely, 2^1441325440 is an apocalyptic number.

1441325440 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 1441325440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748600280).

1441325440 is an abundant number, since it is smaller than the sum of its proper divisors (2055875120).

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

1441325440 is an equidigital number, since it uses as much as digits as its factorization.

1441325440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33699 (or 33687 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1441325440 is about 37964.7921105858. The cubic root of 1441325440 is about 1129.5895969638.

Adding to 1441325440 its reverse (445231441), we get a palindrome (1886556881).

The spelling of 1441325440 in words is "one billion, four hundred forty-one million, three hundred twenty-five thousand, four hundred forty".