38040520122245 has 4 divisors (see below), whose sum is σ = 45648624146700. Its totient is φ = 30432416097792.

The previous prime is 38040520122173. The next prime is 38040520122259. The reversal of 38040520122245 is 54222102504083.

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 4680550517764 + 33359969604481 = 2163458^2 + 5775809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38040520122245 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38040520122199 and 38040520122208.

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, 3804052012220 + ... + 3804052012229.

It is an arithmetic number, because the mean of its divisors is an integer number (11412156036675).

Almost surely, 2^{38040520122245} is an apocalyptic number.

It is an amenable number.

38040520122245 is a deficient number, since it is larger than the sum of its proper divisors (7608104024455).

38040520122245 is an equidigital number, since it uses as much as digits as its factorization.

38040520122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608104024454.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 38040520122245 in words is "thirty-eight trillion, forty billion, five hundred twenty million, one hundred twenty-two thousand, two hundred forty-five".