40635222143 has 4 divisors (see below), whose sum is σ = 40636556448. Its totient is φ = 40633887840.

The previous prime is 40635222113. The next prime is 40635222149. The reversal of 40635222143 is 34122253604.

40635222143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40635222143 - 2¹⁰ = 40635221119 is a prime.

It is a super-2 number, since 2×40635222143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635222149) 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, 620378 + ... + 682743.

It is an arithmetic number, because the mean of its divisors is an integer number (10159139112).

Almost surely, 2^40635222143 is an apocalyptic number.

40635222143 is a deficient number, since it is larger than the sum of its proper divisors (1334305).

40635222143 is a wasteful number, since it uses less digits than its factorization.

40635222143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334304.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 40635222143 its reverse (34122253604), we get a palindrome (74757475747).

The spelling of 40635222143 in words is "forty billion, six hundred thirty-five million, two hundred twenty-two thousand, one hundred forty-three".