450402342 has 32 divisors (see below), whose sum is σ = 986549760. Its totient is φ = 136235040.

The previous prime is 450402319. The next prime is 450402361. The reversal of 450402342 is 243204054.

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 15 ways as a sum of consecutive naturals, for example, 44334 + ... + 53537.

It is an arithmetic number, because the mean of its divisors is an integer number (30829680).

Almost surely, 2^450402342 is an apocalyptic number.

450402342 is an abundant number, since it is smaller than the sum of its proper divisors (536147418).

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

450402342 is a wasteful number, since it uses less digits than its factorization.

450402342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97948.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 450402342 is about 21222.6846086917. The cubic root of 450402342 is about 766.5377484134.

Adding to 450402342 its reverse (243204054), we get a palindrome (693606396).

The spelling of 450402342 in words is "four hundred fifty million, four hundred two thousand, three hundred forty-two".