30530303540 has 24 divisors (see below), whose sum is σ = 69942150432. Its totient is φ = 11101928480.

The previous prime is 30530303497. The next prime is 30530303549. The reversal of 30530303540 is 4530303503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530303549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69386834 + ... + 69387273.

It is an arithmetic number, because the mean of its divisors is an integer number (2914256268).

Almost surely, 2^30530303540 is an apocalyptic number.

It is an amenable number.

30530303540 is an abundant number, since it is smaller than the sum of its proper divisors (39411846892).

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

30530303540 is a wasteful number, since it uses less digits than its factorization.

30530303540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138774127 (or 138774125 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 26.

The spelling of 30530303540 in words is "thirty billion, five hundred thirty million, three hundred three thousand, five hundred forty".