814220040022418 has 4 divisors (see below), whose sum is σ = 1221330060033630. Its totient is φ = 407110020011208.

The previous prime is 814220040022393. The next prime is 814220040022427.

814220040022418 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 617810942774809 + 196409097247609 = 24855803^2 + 14014603^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 203555010005603 + ... + 203555010005606.

Almost surely, 2^{814220040022418} is an apocalyptic number.

814220040022418 is a deficient number, since it is larger than the sum of its proper divisors (407110020011212).

814220040022418 is a wasteful number, since it uses less digits than its factorization.

814220040022418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407110020011211.

The product of its (nonzero) digits is 65536, while the sum is 38.

The spelling of 814220040022418 in words is "eight hundred fourteen trillion, two hundred twenty billion, forty million, twenty-two thousand, four hundred eighteen".