40323434414443 has 16 divisors (see below), whose sum is σ = 41983978924800. Its totient is φ = 38686382092800.

The previous prime is 40323434414441. The next prime is 40323434414489. The reversal of 40323434414443 is 34441443432304.

It is a cyclic number.

It is not a de Polignac number, because 40323434414443 - 2¹ = 40323434414441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40323434414443.

It is not an unprimeable number, because it can be changed into a prime (40323434414441) 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, 5971530 + ... + 10784527.

It is an arithmetic number, because the mean of its divisors is an integer number (2623998682800).

Almost surely, 2^{40323434414443} is an apocalyptic number.

40323434414443 is a deficient number, since it is larger than the sum of its proper divisors (1660544510357).

40323434414443 is a wasteful number, since it uses less digits than its factorization.

40323434414443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16756758.

The product of its (nonzero) digits is 2654208, while the sum is 43.

Adding to 40323434414443 its reverse (34441443432304), we get a palindrome (74764877846747).

The spelling of 40323434414443 in words is "forty trillion, three hundred twenty-three billion, four hundred thirty-four million, four hundred fourteen thousand, four hundred forty-three".