402424192 has 32 divisors (see below), whose sum is σ = 836567280. Its totient is φ = 192462336.

The previous prime is 402424189. The next prime is 402424201. The reversal of 402424192 is 291424204.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 402424192.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65403 + ... + 71290.

Almost surely, 2^402424192 is an apocalyptic number.

It is an amenable number.

402424192 is an abundant number, since it is smaller than the sum of its proper divisors (434143088).

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

402424192 is a wasteful number, since it uses less digits than its factorization.

402424192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136730 (or 136718 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 402424192 is about 20060.5132536533. The cubic root of 402424192 is about 738.2917694853.

Adding to 402424192 its reverse (291424204), we get a palindrome (693848396).

The spelling of 402424192 in words is "four hundred two million, four hundred twenty-four thousand, one hundred ninety-two".