40443540302063 has 4 divisors (see below), whose sum is σ = 40510834046928. Its totient is φ = 40376246557200.

The previous prime is 40443540301991. The next prime is 40443540302119. The reversal of 40443540302063 is 36020304534404.

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 40443540302063 - 2⁸ = 40443540301807 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 (40443540301063) 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, 33646871531 + ... + 33646872732.

It is an arithmetic number, because the mean of its divisors is an integer number (10127708511732).

Almost surely, 2^{40443540302063} is an apocalyptic number.

40443540302063 is a deficient number, since it is larger than the sum of its proper divisors (67293744865).

40443540302063 is an equidigital number, since it uses as much as digits as its factorization.

40443540302063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67293744864.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 40443540302063 its reverse (36020304534404), we get a palindrome (76463844836467).

The spelling of 40443540302063 in words is "forty trillion, four hundred forty-three billion, five hundred forty million, three hundred two thousand, sixty-three".