40204334143 has 4 divisors (see below), whose sum is σ = 40204903680. Its totient is φ = 40203764608.

The previous prime is 40204334089. The next prime is 40204334147. The reversal of 40204334143 is 34143340204.

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 40204334143 - 2²⁵ = 40170779711 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 (40204334147) 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, 160930 + ... + 326047.

It is an arithmetic number, because the mean of its divisors is an integer number (10051225920).

Almost surely, 2^40204334143 is an apocalyptic number.

40204334143 is a deficient number, since it is larger than the sum of its proper divisors (569537).

40204334143 is an equidigital number, since it uses as much as digits as its factorization.

40204334143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569536.

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

Adding to 40204334143 its reverse (34143340204), we get a palindrome (74347674347).

The spelling of 40204334143 in words is "forty billion, two hundred four million, three hundred thirty-four thousand, one hundred forty-three".