40442001343 has 2 divisors, whose sum is σ = 40442001344. Its totient is φ = 40442001342.

The previous prime is 40442001317. The next prime is 40442001349. The reversal of 40442001343 is 34310024404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40442001343 - 2²⁹ = 39905130431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40442001349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221000671 + 20221000672.

It is an arithmetic number, because the mean of its divisors is an integer number (20221000672).

Almost surely, 2^40442001343 is an apocalyptic number.

40442001343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442001343 is an equidigital number, since it uses as much as digits as its factorization.

40442001343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40442001343 its reverse (34310024404), we get a palindrome (74752025747).

The spelling of 40442001343 in words is "forty billion, four hundred forty-two million, one thousand, three hundred forty-three".