40423252440334 has 4 divisors (see below), whose sum is σ = 60634878660504. Its totient is φ = 20211626220166.

The previous prime is 40423252440209. The next prime is 40423252440341. The reversal of 40423252440334 is 43304425232404.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105813110082 + ... + 10105813110085.

It is an arithmetic number, because the mean of its divisors is an integer number (15158719665126).

Almost surely, 2^{40423252440334} is an apocalyptic number.

40423252440334 is a deficient number, since it is larger than the sum of its proper divisors (20211626220170).

40423252440334 is a wasteful number, since it uses less digits than its factorization.

40423252440334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211626220169.

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 40423252440334 its reverse (43304425232404), we get a palindrome (83727677672738).

The spelling of 40423252440334 in words is "forty trillion, four hundred twenty-three billion, two hundred fifty-two million, four hundred forty thousand, three hundred thirty-four".