40213223305 has 4 divisors (see below), whose sum is σ = 48255867972. Its totient is φ = 32170578640.

The previous prime is 40213223279. The next prime is 40213223333. The reversal of 40213223305 is 50332231204.

40213223305 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 11010514761 + 29202708544 = 104931^2 + 170888^2 .

It is not a de Polignac number, because 40213223305 - 2²⁵ = 40179668873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40213223305.

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, 4021322326 + ... + 4021322335.

It is an arithmetic number, because the mean of its divisors is an integer number (12063966993).

Almost surely, 2^40213223305 is an apocalyptic number.

It is an amenable number.

40213223305 is a deficient number, since it is larger than the sum of its proper divisors (8042644667).

40213223305 is an equidigital number, since it uses as much as digits as its factorization.

40213223305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042644666.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40213223305 its reverse (50332231204), we get a palindrome (90545454509).

The spelling of 40213223305 in words is "forty billion, two hundred thirteen million, two hundred twenty-three thousand, three hundred five".