11440331433 has 16 divisors (see below), whose sum is σ = 17840673600. Its totient is φ = 7225472160.

The previous prime is 11440331401. The next prime is 11440331447. The reversal of 11440331433 is 33413304411.

11440331433 is a `hidden beast` number, since 114 + 403 + 3 + 143 + 3 = 666.

It is not a de Polignac number, because 11440331433 - 2⁵ = 11440331401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11440331397 and 11440331406.

It is not an unprimeable number, because it can be changed into a prime (11440331473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11149908 + ... + 11150933.

It is an arithmetic number, because the mean of its divisors is an integer number (1115042100).

Almost surely, 2^11440331433 is an apocalyptic number.

It is an amenable number.

11440331433 is a deficient number, since it is larger than the sum of its proper divisors (6400342167).

11440331433 is a wasteful number, since it uses less digits than its factorization.

11440331433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22300869 (or 22300863 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 11440331433 its reverse (33413304411), we get a palindrome (44853635844).

The spelling of 11440331433 in words is "eleven billion, four hundred forty million, three hundred thirty-one thousand, four hundred thirty-three".