1132204440 has 128 divisors (see below), whose sum is σ = 3640412160. Its totient is φ = 280963584.

The previous prime is 1132204429. The next prime is 1132204441. The reversal of 1132204440 is 444022311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132204441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96577 + ... + 107663.

It is an arithmetic number, because the mean of its divisors is an integer number (28440720).

Almost surely, 2^1132204440 is an apocalyptic number.

1132204440 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 1132204440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820206080).

1132204440 is an abundant number, since it is smaller than the sum of its proper divisors (2508207720).

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

1132204440 is a wasteful number, since it uses less digits than its factorization.

1132204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161 (or 11157 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1132204440 is about 33648.2457195022. The cubic root of 1132204440 is about 1042.2573134401.

Adding to 1132204440 its reverse (444022311), we get a palindrome (1576226751).

The spelling of 1132204440 in words is "one billion, one hundred thirty-two million, two hundred four thousand, four hundred forty".