404220402216 has 80 divisors (see below), whose sum is σ = 1133062682400. Its totient is φ = 134636445216.

The previous prime is 404220402191. The next prime is 404220402221. The reversal of 404220402216 is 612204022404.

404220402216 is a `hidden beast` number, since 4 + 0 + 42 + 2 + 0 + 402 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 404220402216.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 604975 + ... + 1083713.

It is an arithmetic number, because the mean of its divisors is an integer number (14163283530).

Almost surely, 2^404220402216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404220402216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566531341200).

404220402216 is an abundant number, since it is smaller than the sum of its proper divisors (728842280184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404220402216 is a wasteful number, since it uses less digits than its factorization.

404220402216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480060 (or 480047 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The spelling of 404220402216 in words is "four hundred four billion, two hundred twenty million, four hundred two thousand, two hundred sixteen".