40304304002143 has 4 divisors (see below), whose sum is σ = 40313294482648. Its totient is φ = 40295313521640.

The previous prime is 40304304002101. The next prime is 40304304002161. The reversal of 40304304002143 is 34120040340304.

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 40304304002143 - 2²¹ = 40304301904991 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 (40304304002843) 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, 4495233528 + ... + 4495242493.

It is an arithmetic number, because the mean of its divisors is an integer number (10078323620662).

Almost surely, 2^{40304304002143} is an apocalyptic number.

40304304002143 is a deficient number, since it is larger than the sum of its proper divisors (8990480505).

40304304002143 is an equidigital number, since it uses as much as digits as its factorization.

40304304002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990480504.

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

Adding to 40304304002143 its reverse (34120040340304), we get a palindrome (74424344342447).

The spelling of 40304304002143 in words is "forty trillion, three hundred four billion, three hundred four million, two thousand, one hundred forty-three".