303042040 has 64 divisors (see below), whose sum is σ = 781747200. Its totient is φ = 103567488.

The previous prime is 303042037. The next prime is 303042071. The reversal of 303042040 is 40240303.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 95601 + ... + 98719.

It is an arithmetic number, because the mean of its divisors is an integer number (12214800).

Almost surely, 2^303042040 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 303042040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390873600).

303042040 is an abundant number, since it is smaller than the sum of its proper divisors (478705160).

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

303042040 is a wasteful number, since it uses less digits than its factorization.

303042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3480 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 303042040 is about 17408.1027110940. The cubic root of 303042040 is about 671.6880579307.

Adding to 303042040 its reverse (40240303), we get a palindrome (343282343).

The spelling of 303042040 in words is "three hundred three million, forty-two thousand, forty".