1132001440 has 72 divisors (see below), whose sum is σ = 2841038172. Its totient is φ = 426147840.

The previous prime is 1132001411. The next prime is 1132001441. The reversal of 1132001440 is 441002311.

It can be written as a sum of positive squares in 6 ways, for example, as 433139344 + 698862096 = 20812^2 + 26436^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1132001441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34000 + ... + 58480.

Almost surely, 2^1132001440 is an apocalyptic number.

1132001440 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 1132001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420519086).

1132001440 is an abundant number, since it is smaller than the sum of its proper divisors (1709036732).

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

1132001440 is a wasteful number, since it uses less digits than its factorization.

1132001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24530 (or 24505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1132001440 is about 33645.2290822934. The cubic root of 1132001440 is about 1042.1950187774.

Adding to 1132001440 its reverse (441002311), we get a palindrome (1573003751).

The spelling of 1132001440 in words is "one billion, one hundred thirty-two million, one thousand, four hundred forty".