40000430434 has 8 divisors (see below), whose sum is σ = 60551110620. Its totient is φ = 19816726896.

The previous prime is 40000430419. The next prime is 40000430461. The reversal of 40000430434 is 43403400004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39981202209 + 19228225 = 199953^2 + 4385^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91743889 + ... + 91744324.

Almost surely, 2^40000430434 is an apocalyptic number.

40000430434 is a deficient number, since it is larger than the sum of its proper divisors (20550680186).

40000430434 is a wasteful number, since it uses less digits than its factorization.

40000430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183488324.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40000430434 its reverse (43403400004), we get a palindrome (83403830438).

The spelling of 40000430434 in words is "forty billion, four hundred thirty thousand, four hundred thirty-four".