1133543040 has 512 divisors, whose sum is σ = 4559155200. Its totient is φ = 233570304.

The previous prime is 1133543011. The next prime is 1133543077. The reversal of 1133543040 is 403453311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1133543040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5873184 + ... + 5873376.

It is an arithmetic number, because the mean of its divisors is an integer number (8904600).

Almost surely, 2^1133543040 is an apocalyptic number.

1133543040 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 1133543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279577600).

1133543040 is an abundant number, since it is smaller than the sum of its proper divisors (3425612160).

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

1133543040 is a wasteful number, since it uses less digits than its factorization.

1133543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1133543040 is about 33668.1309252533. The cubic root of 1133543040 is about 1042.6679036476.

Adding to 1133543040 its reverse (403453311), we get a palindrome (1536996351).

The spelling of 1133543040 in words is "one billion, one hundred thirty-three million, five hundred forty-three thousand, forty".