404622544423 has 4 divisors (see below), whose sum is σ = 407533498120. Its totient is φ = 401711590728.

The previous prime is 404622544421. The next prime is 404622544439. The reversal of 404622544423 is 324445226404.

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

It is a cyclic number.

It is not a de Polignac number, because 404622544423 - 2¹ = 404622544421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404622544421) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1455476640 + ... + 1455476917.

It is an arithmetic number, because the mean of its divisors is an integer number (101883374530).

Almost surely, 2^404622544423 is an apocalyptic number.

404622544423 is a deficient number, since it is larger than the sum of its proper divisors (2910953697).

404622544423 is a wasteful number, since it uses less digits than its factorization.

404622544423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910953696.

The product of its (nonzero) digits is 737280, while the sum is 40.

The spelling of 404622544423 in words is "four hundred four billion, six hundred twenty-two million, five hundred forty-four thousand, four hundred twenty-three".