1133031440 has 20 divisors (see below), whose sum is σ = 2634298284. Its totient is φ = 453212544.

The previous prime is 1133031437. The next prime is 1133031481. The reversal of 1133031440 is 441303311.

It can be written as a sum of positive squares in 2 ways, for example, as 688327696 + 444703744 = 26236^2 + 21088^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7081367 + ... + 7081526.

Almost surely, 2^1133031440 is an apocalyptic number.

1133031440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133031440 is an abundant number, since it is smaller than the sum of its proper divisors (1501266844).

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

1133031440 is a wasteful number, since it uses less digits than its factorization.

1133031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162906 (or 14162900 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1133031440 is about 33660.5323784399. The cubic root of 1133031440 is about 1042.5110182152.

Adding to 1133031440 its reverse (441303311), we get a palindrome (1574334751).

The spelling of 1133031440 in words is "one billion, one hundred thirty-three million, thirty-one thousand, four hundred forty".