30530352540 has 96 divisors (see below), whose sum is σ = 90022464000. Its totient is φ = 7709651712.

The previous prime is 30530352539. The next prime is 30530352551. The reversal of 30530352540 is 4525303503.

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

It is a junction number, because it is equal to n+sod(n) for n = 30530352498 and 30530352507.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3779626 + ... + 3787694.

It is an arithmetic number, because the mean of its divisors is an integer number (937734000).

Almost surely, 2^30530352540 is an apocalyptic number.

30530352540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30530352540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45011232000).

30530352540 is an abundant number, since it is smaller than the sum of its proper divisors (59492111460).

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

30530352540 is a wasteful number, since it uses less digits than its factorization.

30530352540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419 (or 11417 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 30530352540 in words is "thirty billion, five hundred thirty million, three hundred fifty-two thousand, five hundred forty".