303230040 has 64 divisors (see below), whose sum is σ = 912764160. Its totient is φ = 80588160.

The previous prime is 303230027. The next prime is 303230069. The reversal of 303230040 is 40032303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32725 + ... + 40955.

It is an arithmetic number, because the mean of its divisors is an integer number (14261940).

Almost surely, 2^303230040 is an apocalyptic number.

303230040 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 303230040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456382080).

303230040 is an abundant number, since it is smaller than the sum of its proper divisors (609534120).

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

303230040 is a wasteful number, since it uses less digits than its factorization.

303230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 303230040 is about 17413.5016581961. The cubic root of 303230040 is about 671.8269289278.

Adding to 303230040 its reverse (40032303), we get a palindrome (343262343).

The spelling of 303230040 in words is "three hundred three million, two hundred thirty thousand, forty".