304424043390 has 64 divisors (see below), whose sum is σ = 859550253120. Its totient is φ = 76404464640.

The previous prime is 304424043389. The next prime is 304424043409. The reversal of 304424043390 is 93340424403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33157071 + ... + 33166250.

It is an arithmetic number, because the mean of its divisors is an integer number (13430472705).

Almost surely, 2^304424043390 is an apocalyptic number.

304424043390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304424043390 is an abundant number, since it is smaller than the sum of its proper divisors (555126209730).

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

304424043390 is a wasteful number, since it uses less digits than its factorization.

304424043390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66323354 (or 66323348 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 304424043390 its reverse (93340424403), we get a palindrome (397764467793).

The spelling of 304424043390 in words is "three hundred four billion, four hundred twenty-four million, forty-three thousand, three hundred ninety".