30213520544 has 96 divisors (see below), whose sum is σ = 64782789120. Its totient is φ = 13827100672.

The previous prime is 30213520541. The next prime is 30213520591. The reversal of 30213520544 is 44502531203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (30213520541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405609 + ... + 2418135.

It is an arithmetic number, because the mean of its divisors is an integer number (674820720).

Almost surely, 2^30213520544 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 30213520544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32391394560).

30213520544 is an abundant number, since it is smaller than the sum of its proper divisors (34569268576).

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

30213520544 is a wasteful number, since it uses less digits than its factorization.

30213520544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702 (or 12694 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 30213520544 in words is "thirty billion, two hundred thirteen million, five hundred twenty thousand, five hundred forty-four".