402104403200 has 54 divisors (see below), whose sum is σ = 995271242574. Its totient is φ = 160841758720.

The previous prime is 402104403193. The next prime is 402104403203. The reversal of 402104403200 is 2304401204.

It can be written as a sum of positive squares in 3 ways, for example, as 10348585984 + 391755817216 = 101728^2 + 625904^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402104403203) 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 in 5 ways as a sum of consecutive naturals, for example, 31408007 + ... + 31420806.

Almost surely, 2^402104403200 is an apocalyptic number.

402104403200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402104403200 is an abundant number, since it is smaller than the sum of its proper divisors (593166839374).

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

402104403200 is an equidigital number, since it uses as much as digits as its factorization.

402104403200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62828839 (or 62828820 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402104403200 its reverse (2304401204), we get a palindrome (404408804404).

The spelling of 402104403200 in words is "four hundred two billion, one hundred four million, four hundred three thousand, two hundred".