40236463205 has 4 divisors (see below), whose sum is σ = 48283755852. Its totient is φ = 32189170560.

The previous prime is 40236463187. The next prime is 40236463207. The reversal of 40236463205 is 50236463204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22396319716 + 17840143489 = 149654^2 + 133567^2 .

It is not a de Polignac number, because 40236463205 - 2¹⁰ = 40236462181 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 (40236463207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023646316 + ... + 4023646325.

It is an arithmetic number, because the mean of its divisors is an integer number (12070938963).

Almost surely, 2^40236463205 is an apocalyptic number.

It is an amenable number.

40236463205 is a deficient number, since it is larger than the sum of its proper divisors (8047292647).

40236463205 is an equidigital number, since it uses as much as digits as its factorization.

40236463205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047292646.

The product of its (nonzero) digits is 103680, while the sum is 35.

Subtracting 40236463205 from its reverse (50236463204), we obtain a palindrome (9999999999).

The spelling of 40236463205 in words is "forty billion, two hundred thirty-six million, four hundred sixty-three thousand, two hundred five".