402243792 has 20 divisors (see below), whose sum is σ = 1039129920. Its totient is φ = 134081248.

The previous prime is 402243733. The next prime is 402243823. The reversal of 402243792 is 297342204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4189992 + ... + 4190087.

It is an arithmetic number, because the mean of its divisors is an integer number (51956496).

Almost surely, 2^402243792 is an apocalyptic number.

It is an amenable number.

402243792 is an abundant number, since it is smaller than the sum of its proper divisors (636886128).

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

402243792 is a wasteful number, since it uses less digits than its factorization.

402243792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380090 (or 8380084 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 402243792 is about 20056.0163542015. The cubic root of 402243792 is about 738.1814317332.

Adding to 402243792 its reverse (297342204), we get a palindrome (699585996).

The spelling of 402243792 in words is "four hundred two million, two hundred forty-three thousand, seven hundred ninety-two".