303013040 has 120 divisors (see below), whose sum is σ = 808635744. Its totient is φ = 105318400.

The previous prime is 303013037. The next prime is 303013057. The reversal of 303013040 is 40310303.

It is a happy number.

303013040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 221960 + ... + 223320.

Almost surely, 2^303013040 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 303013040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404317872).

303013040 is an abundant number, since it is smaller than the sum of its proper divisors (505622704).

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

303013040 is a wasteful number, since it uses less digits than its factorization.

303013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 303013040 is about 17407.2697457126. The cubic root of 303013040 is about 671.6666312280. Note that the first 4 decimals are identical.

Adding to 303013040 its reverse (40310303), we get a palindrome (343323343).

The spelling of 303013040 in words is "three hundred three million, thirteen thousand, forty".