404220544315193 has 8 divisors (see below), whose sum is σ = 408147235424448. Its totient is φ = 400293895894704.

The previous prime is 404220544315157. The next prime is 404220544315283. The reversal of 404220544315193 is 391513445022404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404220544315193 - 2¹⁶ = 404220544249657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404220544315123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8524730 + ... + 29683532.

It is an arithmetic number, because the mean of its divisors is an integer number (51018404428056).

Almost surely, 2^{404220544315193} is an apocalyptic number.

It is an amenable number.

404220544315193 is a deficient number, since it is larger than the sum of its proper divisors (3926691109255).

404220544315193 is a wasteful number, since it uses less digits than its factorization.

404220544315193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21344383.

The product of its (nonzero) digits is 2073600, while the sum is 47.

Adding to 404220544315193 its reverse (391513445022404), we get a palindrome (795733989337597).

The spelling of 404220544315193 in words is "four hundred four trillion, two hundred twenty billion, five hundred forty-four million, three hundred fifteen thousand, one hundred ninety-three".