30525720000 has 280 divisors, whose sum is σ = 101770622976. Its totient is φ = 8072064000.

The previous prime is 30525719999. The next prime is 30525720011. The reversal of 30525720000 is 2752503.

It is a super-3 number, since 3×30525720000³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 39 ways as a sum of consecutive naturals, for example, 15238999 + ... + 15241001.

Almost surely, 2^30525720000 is an apocalyptic number.

30525720000 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 30525720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50885311488).

30525720000 is an abundant number, since it is smaller than the sum of its proper divisors (71244902976).

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

30525720000 is a wasteful number, since it uses less digits than its factorization.

30525720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The spelling of 30525720000 in words is "thirty billion, five hundred twenty-five million, seven hundred twenty thousand".