40236325405 has 4 divisors (see below), whose sum is σ = 48283590492. Its totient is φ = 32189060320.

The previous prime is 40236325399. The next prime is 40236325417. The reversal of 40236325405 is 50452363204.

40236325405 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 can be written as a sum of positive squares in 2 ways, for example, as 26870422084 + 13365903321 = 163922^2 + 115611^2 .

It is not a de Polignac number, because 40236325405 - 2²⁵ = 40202770973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023632536 + ... + 4023632545.

It is an arithmetic number, because the mean of its divisors is an integer number (12070897623).

Almost surely, 2^40236325405 is an apocalyptic number.

It is an amenable number.

40236325405 is a deficient number, since it is larger than the sum of its proper divisors (8047265087).

40236325405 is an equidigital number, since it uses as much as digits as its factorization.

40236325405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047265086.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 40236325405 its reverse (50452363204), we get a palindrome (90688688609).

The spelling of 40236325405 in words is "forty billion, two hundred thirty-six million, three hundred twenty-five thousand, four hundred five".