1441151440 has 20 divisors (see below), whose sum is σ = 3350677284. Its totient is φ = 576460544.

The previous prime is 1441151419. The next prime is 1441151449. The reversal of 1441151440 is 441511441.

It can be written as a sum of positive squares in 2 ways, for example, as 254211136 + 1186940304 = 15944^2 + 34452^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441151449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9007117 + ... + 9007276.

Almost surely, 2^1441151440 is an apocalyptic number.

1441151440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441151440 is an abundant number, since it is smaller than the sum of its proper divisors (1909525844).

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

1441151440 is a wasteful number, since it uses less digits than its factorization.

1441151440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014406 (or 18014400 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1441151440 is about 37962.5004445176. The cubic root of 1441151440 is about 1129.5441396150.

Adding to 1441151440 its reverse (441511441), we get a palindrome (1882662881).

It can be divided in two parts, 1441 and 151440, that added together give a square (152881 = 391²).

The spelling of 1441151440 in words is "one billion, four hundred forty-one million, one hundred fifty-one thousand, four hundred forty".