11403440432 has 10 divisors (see below), whose sum is σ = 22094165868. Its totient is φ = 5701720208.

The previous prime is 11403440417. The next prime is 11403440437. The reversal of 11403440432 is 23404430411.

It is not an unprimeable number, because it can be changed into a prime (11403440437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356357498 + ... + 356357529.

Almost surely, 2^11403440432 is an apocalyptic number.

It is an amenable number.

11403440432 is a deficient number, since it is larger than the sum of its proper divisors (10690725436).

11403440432 is an equidigital number, since it uses as much as digits as its factorization.

11403440432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712715035 (or 712715029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11403440432 its reverse (23404430411), we get a palindrome (34807870843).

The spelling of 11403440432 in words is "eleven billion, four hundred three million, four hundred forty thousand, four hundred thirty-two".