40224021142343 has 4 divisors (see below), whose sum is σ = 40232617860240. Its totient is φ = 40215424424448.

The previous prime is 40224021142309. The next prime is 40224021142369. The reversal of 40224021142343 is 34324112042204.

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 40224021142343 - 2³⁶ = 40155301665607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224021142303) 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, 4298351930 + ... + 4298361287.

It is an arithmetic number, because the mean of its divisors is an integer number (10058154465060).

Almost surely, 2^{40224021142343} is an apocalyptic number.

40224021142343 is a deficient number, since it is larger than the sum of its proper divisors (8596717897).

40224021142343 is an equidigital number, since it uses as much as digits as its factorization.

40224021142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596717896.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 40224021142343 its reverse (34324112042204), we get a palindrome (74548133184547).

The spelling of 40224021142343 in words is "forty trillion, two hundred twenty-four billion, twenty-one million, one hundred forty-two thousand, three hundred forty-three".