40044434433 has 4 divisors (see below), whose sum is σ = 53392579248. Its totient is φ = 26696289620.

The previous prime is 40044434413. The next prime is 40044434453. The reversal of 40044434433 is 33443444004.

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 an interprime number because it is at equal distance from previous prime (40044434413) and next prime (40044434453).

It is a cyclic number.

It is not a de Polignac number, because 40044434433 - 2⁶ = 40044434369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40044434394 and 40044434403.

It is not an unprimeable number, because it can be changed into a prime (40044434413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6674072403 + ... + 6674072408.

It is an arithmetic number, because the mean of its divisors is an integer number (13348144812).

Almost surely, 2^40044434433 is an apocalyptic number.

It is an amenable number.

40044434433 is a deficient number, since it is larger than the sum of its proper divisors (13348144815).

40044434433 is a wasteful number, since it uses less digits than its factorization.

40044434433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348144814.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 40044434433 its reverse (33443444004), we get a palindrome (73487878437).

The spelling of 40044434433 in words is "forty billion, forty-four million, four hundred thirty-four thousand, four hundred thirty-three".