40443241433 has 16 divisors (see below), whose sum is σ = 47114815104. Its totient is φ = 34001577600.

The previous prime is 40443241409. The next prime is 40443241441. The reversal of 40443241433 is 33414234404.

It is a cyclic number.

It is not a de Polignac number, because 40443241433 - 2⁸ = 40443241177 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40443241433.

It is not an unprimeable number, because it can be changed into a prime (40443241403) 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, 191660 + ... + 342957.

It is an arithmetic number, because the mean of its divisors is an integer number (2944675944).

Almost surely, 2^40443241433 is an apocalyptic number.

It is an amenable number.

40443241433 is a deficient number, since it is larger than the sum of its proper divisors (6671573671).

40443241433 is a wasteful number, since it uses less digits than its factorization.

40443241433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534832.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 40443241433 its reverse (33414234404), we get a palindrome (73857475837).

The spelling of 40443241433 in words is "forty billion, four hundred forty-three million, two hundred forty-one thousand, four hundred thirty-three".