40243013434 has 8 divisors (see below), whose sum is σ = 65007944820. Its totient is φ = 18573698496.

The previous prime is 40243013423. The next prime is 40243013443. The reversal of 40243013434 is 43431034204.

It can be written as a sum of positive squares in 2 ways, for example, as 29747625625 + 10495387809 = 172475^2 + 102447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773904079 + ... + 773904130.

Almost surely, 2^40243013434 is an apocalyptic number.

40243013434 is a deficient number, since it is larger than the sum of its proper divisors (24764931386).

40243013434 is a wasteful number, since it uses less digits than its factorization.

40243013434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547808224.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40243013434 its reverse (43431034204), we get a palindrome (83674047638).

The spelling of 40243013434 in words is "forty billion, two hundred forty-three million, thirteen thousand, four hundred thirty-four".