400430202 has 32 divisors (see below), whose sum is σ = 840170880. Its totient is φ = 127055040.

The previous prime is 400430197. The next prime is 400430209. The reversal of 400430202 is 202034004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (400430209) 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 15 ways as a sum of consecutive naturals, for example, 3853 + ... + 28560.

It is an arithmetic number, because the mean of its divisors is an integer number (26255340).

Almost surely, 2^400430202 is an apocalyptic number.

400430202 is an abundant number, since it is smaller than the sum of its proper divisors (439740678).

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

400430202 is a wasteful number, since it uses less digits than its factorization.

400430202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32518.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 400430202 is about 20010.7521597765. The cubic root of 400430202 is about 737.0703513742.

Adding to 400430202 its reverse (202034004), we get a palindrome (602464206).

The spelling of 400430202 in words is "four hundred million, four hundred thirty thousand, two hundred two".