1133324440 has 64 divisors (see below), whose sum is σ = 2608653600. Its totient is φ = 442970112.

The previous prime is 1133324411. The next prime is 1133324459. The reversal of 1133324440 is 444233311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599016 + ... + 600904.

Almost surely, 2^1133324440 is an apocalyptic number.

1133324440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133324440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304326800).

1133324440 is an abundant number, since it is smaller than the sum of its proper divisors (1475329160).

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

1133324440 is a wasteful number, since it uses less digits than its factorization.

1133324440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1133324440 is about 33664.8843752656. The cubic root of 1133324440 is about 1042.6008743278.

Adding to 1133324440 its reverse (444233311), we get a palindrome (1577557751).

The spelling of 1133324440 in words is "one billion, one hundred thirty-three million, three hundred twenty-four thousand, four hundred forty".