402206052 has 24 divisors (see below), whose sum is σ = 939498336. Its totient is φ = 133923328.

The previous prime is 402206027. The next prime is 402206053. The reversal of 402206052 is 250602204.

It is not an unprimeable number, because it can be changed into a prime (402206053) 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 7 ways as a sum of consecutive naturals, for example, 6333 + ... + 29060.

It is an arithmetic number, because the mean of its divisors is an integer number (39145764).

Almost surely, 2^402206052 is an apocalyptic number.

It is an amenable number.

402206052 is an abundant number, since it is smaller than the sum of its proper divisors (537292284).

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

402206052 is a wasteful number, since it uses less digits than its factorization.

402206052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36347 (or 36345 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 402206052 is about 20055.0754673225. The cubic root of 402206052 is about 738.1583447073.

Adding to 402206052 its reverse (250602204), we get a palindrome (652808256).

The spelling of 402206052 in words is "four hundred two million, two hundred six thousand, fifty-two".