402033402 has 32 divisors (see below), whose sum is σ = 914189760. Its totient is φ = 130893840.

The previous prime is 402033397. The next prime is 402033403. The reversal of 402033402 is 204330204.

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

It is not an unprimeable number, because it can be changed into a prime (402033403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84249 + ... + 88892.

It is an arithmetic number, because the mean of its divisors is an integer number (28568430).

Almost surely, 2^402033402 is an apocalyptic number.

402033402 is an abundant number, since it is smaller than the sum of its proper divisors (512156358).

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

402033402 is a wasteful number, since it uses less digits than its factorization.

402033402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173195 (or 173189 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 402033402 is about 20050.7706086325. The cubic root of 402033402 is about 738.0527095673.

Adding to 402033402 its reverse (204330204), we get a palindrome (606363606).

The spelling of 402033402 in words is "four hundred two million, thirty-three thousand, four hundred two".