402004216 has 8 divisors (see below), whose sum is σ = 753757920. Its totient is φ = 201002104.

The previous prime is 402004199. The next prime is 402004217. The reversal of 402004216 is 612400204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 402004193 and 402004202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402004217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125256 + ... + 25125271.

It is an arithmetic number, because the mean of its divisors is an integer number (94219740).

Almost surely, 2^402004216 is an apocalyptic number.

It is an amenable number.

402004216 is a deficient number, since it is larger than the sum of its proper divisors (351753704).

402004216 is a wasteful number, since it uses less digits than its factorization.

402004216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50250533 (or 50250529 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402004216 is about 20050.0427929718. The cubic root of 402004216 is about 738.0348492539.

The spelling of 402004216 in words is "four hundred two million, four thousand, two hundred sixteen".