302240432 has 40 divisors (see below), whose sum is σ = 636469680. Its totient is φ = 138205440.

The previous prime is 302240431. The next prime is 302240437. The reversal of 302240432 is 234042203.

It is not an unprimeable number, because it can be changed into a prime (302240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16007 + ... + 29337.

It is an arithmetic number, because the mean of its divisors is an integer number (15911742).

Almost surely, 2^302240432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302240432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318234840).

302240432 is an abundant number, since it is smaller than the sum of its proper divisors (334229248).

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

302240432 is a wasteful number, since it uses less digits than its factorization.

302240432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13461 (or 13455 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302240432 is about 17385.0634741435. The cubic root of 302240432 is about 671.0952843203.

Adding to 302240432 its reverse (234042203), we get a palindrome (536282635).

The spelling of 302240432 in words is "three hundred two million, two hundred forty thousand, four hundred thirty-two".