403216002 has 96 divisors (see below), whose sum is σ = 1053743040. Its totient is φ = 113944320.

The previous prime is 403215991. The next prime is 403216019. The reversal of 403216002 is 200612304.

It is a happy number.

403216002 is a `hidden beast` number, since 40 + 3 + 21 + 600 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255877 + ... + 257447.

It is an arithmetic number, because the mean of its divisors is an integer number (10976490).

Almost surely, 2^403216002 is an apocalyptic number.

403216002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 403216002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526871520).

403216002 is an abundant number, since it is smaller than the sum of its proper divisors (650527038).

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

403216002 is a wasteful number, since it uses less digits than its factorization.

403216002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1680 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 403216002 is about 20080.2390922021. The cubic root of 403216002 is about 738.7756733071.

Adding to 403216002 its reverse (200612304), we get a palindrome (603828306).

The spelling of 403216002 in words is "four hundred three million, two hundred sixteen thousand, two".