30030323240 has 16 divisors (see below), whose sum is σ = 67568227380. Its totient is φ = 12012129280.

The previous prime is 30030323237. The next prime is 30030323261. The reversal of 30030323240 is 4232303003.

It can be written as a sum of positive squares in 2 ways, for example, as 29643886276 + 386436964 = 172174^2 + 19658^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375379001 + ... + 375379080.

Almost surely, 2^30030323240 is an apocalyptic number.

It is an amenable number.

30030323240 is an abundant number, since it is smaller than the sum of its proper divisors (37537904140).

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

30030323240 is a wasteful number, since it uses less digits than its factorization.

30030323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750758092 (or 750758088 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30030323240 its reverse (4232303003), we get a palindrome (34262626243).

The spelling of 30030323240 in words is "thirty billion, thirty million, three hundred twenty-three thousand, two hundred forty".