1441533140 has 24 divisors (see below), whose sum is σ = 3072404832. Its totient is φ = 568006560.

The previous prime is 1441533031. The next prime is 1441533143. The reversal of 1441533140 is 413351441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441533143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536546 + ... + 539225.

It is an arithmetic number, because the mean of its divisors is an integer number (128016868).

Almost surely, 2^1441533140 is an apocalyptic number.

1441533140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441533140 is an abundant number, since it is smaller than the sum of its proper divisors (1630871692).

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

1441533140 is a wasteful number, since it uses less digits than its factorization.

1441533140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075847 (or 1075845 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1441533140 is about 37967.5274412227. The cubic root of 1441533140 is about 1129.6438536186.

Adding to 1441533140 its reverse (413351441), we get a palindrome (1854884581).

The spelling of 1441533140 in words is "one billion, four hundred forty-one million, five hundred thirty-three thousand, one hundred forty".