40434040432443 has 16 divisors (see below), whose sum is σ = 61613985219840. Its totient is φ = 23105087465376.

The previous prime is 40434040432417. The next prime is 40434040432481. The reversal of 40434040432443 is 34423404043404.

It is not a de Polignac number, because 40434040432443 - 2¹⁰ = 40434040431419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40434040432493) 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, 3371521 + ... + 9603917.

It is an arithmetic number, because the mean of its divisors is an integer number (3850874076240).

Almost surely, 2^{40434040432443} is an apocalyptic number.

40434040432443 is a deficient number, since it is larger than the sum of its proper divisors (21179944787397).

40434040432443 is a wasteful number, since it uses less digits than its factorization.

40434040432443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541346.

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 40434040432443 its reverse (34423404043404), we get a palindrome (74857444475847).

The spelling of 40434040432443 in words is "forty trillion, four hundred thirty-four billion, forty million, four hundred thirty-two thousand, four hundred forty-three".