404220402215 has 16 divisors (see below), whose sum is σ = 554374067520. Its totient is φ = 277172375040.

The previous prime is 404220402191. The next prime is 404220402221. The reversal of 404220402215 is 512204022404.

It is not a de Polignac number, because 404220402215 - 2¹⁰ = 404220401191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417151 + ... + 1678319.

It is an arithmetic number, because the mean of its divisors is an integer number (34648379220).

Almost surely, 2^404220402215 is an apocalyptic number.

404220402215 is a deficient number, since it is larger than the sum of its proper divisors (150153665305).

404220402215 is a wasteful number, since it uses less digits than its factorization.

404220402215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305402.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 404220402215 its reverse (512204022404), we get a palindrome (916424424619).

The spelling of 404220402215 in words is "four hundred four billion, two hundred twenty million, four hundred two thousand, two hundred fifteen".