30005250280 has 16 divisors (see below), whose sum is σ = 67511813220. Its totient is φ = 12002100096.

The previous prime is 30005250173. The next prime is 30005250311. The reversal of 30005250280 is 8205250003.

It can be written as a sum of positive squares in 2 ways, for example, as 29989234276 + 16016004 = 173174^2 + 4002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375065589 + ... + 375065668.

Almost surely, 2^30005250280 is an apocalyptic number.

It is an amenable number.

30005250280 is an abundant number, since it is smaller than the sum of its proper divisors (37506562940).

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

30005250280 is a wasteful number, since it uses less digits than its factorization.

30005250280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750131268 (or 750131264 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 30005250280 in words is "thirty billion, five million, two hundred fifty thousand, two hundred eighty".