1440141336 has 32 divisors (see below), whose sum is σ = 4000393200. Its totient is φ = 480047040.

The previous prime is 1440141319. The next prime is 1440141341. The reversal of 1440141336 is 6331410441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 3333445 + ... + 3333876.

Almost surely, 2^1440141336 is an apocalyptic number.

It is an amenable number.

1440141336 is an abundant number, since it is smaller than the sum of its proper divisors (2560251864).

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

1440141336 is a wasteful number, since it uses less digits than its factorization.

1440141336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667336 (or 6667326 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1440141336 is about 37949.1941416415. The cubic root of 1440141336 is about 1129.2801785231.

Adding to 1440141336 its reverse (6331410441), we get a palindrome (7771551777).

The spelling of 1440141336 in words is "one billion, four hundred forty million, one hundred forty-one thousand, three hundred thirty-six".