402016500 has 192 divisors, whose sum is σ = 1318437120. Its totient is φ = 105753600.

The previous prime is 402016477. The next prime is 402016513. The reversal of 402016500 is 5610204.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 1309347 + ... + 1309653.

It is an arithmetic number, because the mean of its divisors is an integer number (6866860).

Almost surely, 2^402016500 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 402016500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659218560).

402016500 is an abundant number, since it is smaller than the sum of its proper divisors (916420620).

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

402016500 is a wasteful number, since it uses less digits than its factorization.

402016500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 402016500 is about 20050.3491241425. The cubic root of 402016500 is about 738.0423665281.

Adding to 402016500 its reverse (5610204), we get a palindrome (407626704).

The spelling of 402016500 in words is "four hundred two million, sixteen thousand, five hundred".