1132231440 has 40 divisors (see below), whose sum is σ = 3509918208. Its totient is φ = 301928320.

The previous prime is 1132231393. The next prime is 1132231447. The reversal of 1132231440 is 441322311.

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

It is not an unprimeable number, because it can be changed into a prime (1132231447) 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, 2358576 + ... + 2359055.

Almost surely, 2^1132231440 is an apocalyptic number.

1132231440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132231440 is an abundant number, since it is smaller than the sum of its proper divisors (2377686768).

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

1132231440 is a wasteful number, since it uses less digits than its factorization.

1132231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717647 (or 4717641 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1132231440 is about 33648.6469267339. The cubic root of 1132231440 is about 1042.2655983760.

Adding to 1132231440 its reverse (441322311), we get a palindrome (1573553751).

The spelling of 1132231440 in words is "one billion, one hundred thirty-two million, two hundred thirty-one thousand, four hundred forty".