40433401343 has 4 divisors (see below), whose sum is σ = 40791219168. Its totient is φ = 40075583520.

The previous prime is 40433401303. The next prime is 40433401357. The reversal of 40433401343 is 34310433404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40433401343 is a prime.

It is a super-2 number, since 2×40433401343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40433401303) 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, 178908743 + ... + 178908968.

It is an arithmetic number, because the mean of its divisors is an integer number (10197804792).

Almost surely, 2^40433401343 is an apocalyptic number.

40433401343 is a deficient number, since it is larger than the sum of its proper divisors (357817825).

40433401343 is a wasteful number, since it uses less digits than its factorization.

40433401343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357817824.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 40433401343 its reverse (34310433404), we get a palindrome (74743834747).

The spelling of 40433401343 in words is "forty billion, four hundred thirty-three million, four hundred one thousand, three hundred forty-three".