40365266422205 has 4 divisors (see below), whose sum is σ = 48438319706652. Its totient is φ = 32292213137760.

The previous prime is 40365266422199. The next prime is 40365266422219. The reversal of 40365266422205 is 50222466256304.

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 23383597964281 + 16981668457924 = 4835659^2 + 4120882^2 .

It is not a de Polignac number, because 40365266422205 - 2²⁸ = 40364997986749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40365266422205.

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, 4036526642216 + ... + 4036526642225.

It is an arithmetic number, because the mean of its divisors is an integer number (12109579926663).

Almost surely, 2^{40365266422205} is an apocalyptic number.

It is an amenable number.

40365266422205 is a deficient number, since it is larger than the sum of its proper divisors (8073053284447).

40365266422205 is an equidigital number, since it uses as much as digits as its factorization.

40365266422205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8073053284446.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 40365266422205 in words is "forty trillion, three hundred sixty-five billion, two hundred sixty-six million, four hundred twenty-two thousand, two hundred five".