302430240 has 384 divisors, whose sum is σ = 1235243520. Its totient is φ = 67682304.

The previous prime is 302430229. The next prime is 302430269. The reversal of 302430240 is 42034203.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2207452 + ... + 2207588.

It is an arithmetic number, because the mean of its divisors is an integer number (3216780).

Almost surely, 2^302430240 is an apocalyptic number.

302430240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617621760).

302430240 is an abundant number, since it is smaller than the sum of its proper divisors (932813280).

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

302430240 is a wasteful number, since it uses less digits than its factorization.

302430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 227 counting only the distinct ones).

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

The square root of 302430240 is about 17390.5215562961. The cubic root of 302430240 is about 671.2357382819.

Adding to 302430240 its reverse (42034203), we get a palindrome (344464443).

The spelling of 302430240 in words is "three hundred two million, four hundred thirty thousand, two hundred forty".