40434443 has 8 divisors (see below), whose sum is σ = 46252512. Its totient is φ = 34626816.

The previous prime is 40434431. The next prime is 40434463. The reversal of 40434443 is 34443404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40434443 - 2⁶ = 40434379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40434463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9371 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (5781564).

Almost surely, 2^40434443 is an apocalyptic number.

40434443 is a deficient number, since it is larger than the sum of its proper divisors (5818069).

40434443 is a wasteful number, since it uses less digits than its factorization.

40434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 40434443 is about 6358.8083003028. The cubic root of 40434443 is about 343.2288787929.

Adding to 40434443 its reverse (34443404), we get a palindrome (74877847).

The spelling of 40434443 in words is "forty million, four hundred thirty-four thousand, four hundred forty-three".