40024244040443 has 4 divisors (see below), whose sum is σ = 43103032043568. Its totient is φ = 36945456037320.

The previous prime is 40024244040439. The next prime is 40024244040497. The reversal of 40024244040443 is 34404044242004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40024244040443 - 2² = 40024244040439 is a prime.

It is a super-2 number, since 2×40024244040443² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024244040413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539394001543 + ... + 1539394001568.

It is an arithmetic number, because the mean of its divisors is an integer number (10775758010892).

Almost surely, 2^{40024244040443} is an apocalyptic number.

40024244040443 is a deficient number, since it is larger than the sum of its proper divisors (3078788003125).

40024244040443 is a wasteful number, since it uses less digits than its factorization.

40024244040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078788003124.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 40024244040443 its reverse (34404044242004), we get a palindrome (74428288282447).

The spelling of 40024244040443 in words is "forty trillion, twenty-four billion, two hundred forty-four million, forty thousand, four hundred forty-three".