2240404020433 has 4 divisors (see below), whose sum is σ = 2240460540400. Its totient is φ = 2240347500468.

The previous prime is 2240404020391. The next prime is 2240404020457. The reversal of 2240404020433 is 3340204040422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240404020433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240404023433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28200483 + ... + 28279816.

It is an arithmetic number, because the mean of its divisors is an integer number (560115135100).

Almost surely, 2^{2240404020433} is an apocalyptic number.

It is an amenable number.

2240404020433 is a deficient number, since it is larger than the sum of its proper divisors (56519967).

2240404020433 is an equidigital number, since it uses as much as digits as its factorization.

2240404020433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56519966.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 2240404020433 its reverse (3340204040422), we get a palindrome (5580608060855).

The spelling of 2240404020433 in words is "two trillion, two hundred forty billion, four hundred four million, twenty thousand, four hundred thirty-three".