1101440432 has 20 divisors (see below), whose sum is σ = 2156044296. Its totient is φ = 545041920.

The previous prime is 1101440419. The next prime is 1101440437. The reversal of 1101440432 is 2340441011.

It is not an unprimeable number, because it can be changed into a prime (1101440437) 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 3 ways as a sum of consecutive naturals, for example, 353294 + ... + 356397.

Almost surely, 2^1101440432 is an apocalyptic number.

It is an amenable number.

1101440432 is a deficient number, since it is larger than the sum of its proper divisors (1054603864).

1101440432 is an equidigital number, since it uses as much as digits as its factorization.

1101440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709796 (or 709790 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1101440432 is about 33187.9561286922. The cubic root of 1101440432 is about 1032.7305035614.

Adding to 1101440432 its reverse (2340441011), we get a palindrome (3441881443).

The spelling of 1101440432 in words is "one billion, one hundred one million, four hundred forty thousand, four hundred thirty-two".