402404200 has 96 divisors (see below), whose sum is σ = 1031317920. Its totient is φ = 144800000.

The previous prime is 402404179. The next prime is 402404201. The reversal of 402404200 is 2404204.

It is not an unprimeable number, because it can be changed into a prime (402404201) 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 23 ways as a sum of consecutive naturals, for example, 221295 + ... + 223105.

It is an arithmetic number, because the mean of its divisors is an integer number (10742895).

Almost surely, 2^402404200 is an apocalyptic number.

402404200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402404200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515658960).

402404200 is an abundant number, since it is smaller than the sum of its proper divisors (628913720).

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

402404200 is a wasteful number, since it uses less digits than its factorization.

402404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 402404200 is about 20060.0149551290. The cubic root of 402404200 is about 738.2795434364.

Adding to 402404200 its reverse (2404204), we get a palindrome (404808404).

The spelling of 402404200 in words is "four hundred two million, four hundred four thousand, two hundred".