30018490320 has 160 divisors (see below), whose sum is σ = 114532169472. Its totient is φ = 6333566976.

The previous prime is 30018490309. The next prime is 30018490321. The reversal of 30018490320 is 2309481003.

It is a super-2 number, since 2×30018490320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30018490321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665397 + ... + 709076.

Almost surely, 2^30018490320 is an apocalyptic number.

30018490320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30018490320 is an abundant number, since it is smaller than the sum of its proper divisors (84513679152).

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

30018490320 is a wasteful number, since it uses less digits than its factorization.

30018490320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374509 (or 1374503 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 30018490320 in words is "thirty billion, eighteen million, four hundred ninety thousand, three hundred twenty".