1141444240 has 40 divisors (see below), whose sum is σ = 2655544320. Its totient is φ = 456287616.

The previous prime is 1141444237. The next prime is 1141444309. The reversal of 1141444240 is 424441411.

It is a tau number, because it is divible by the number of its divisors (40).

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, 158641 + ... + 165679.

It is an arithmetic number, because the mean of its divisors is an integer number (66388608).

Almost surely, 2^1141444240 is an apocalyptic number.

1141444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141444240 is an abundant number, since it is smaller than the sum of its proper divisors (1514100080).

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

1141444240 is a wasteful number, since it uses less digits than its factorization.

1141444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1141444240 is about 33785.2666113500. The cubic root of 1141444240 is about 1045.0848858496.

Adding to 1141444240 its reverse (424441411), we get a palindrome (1565885651).

The spelling of 1141444240 in words is "one billion, one hundred forty-one million, four hundred forty-four thousand, two hundred forty".