30280005250 has 64 divisors (see below), whose sum is σ = 61892812800. Its totient is φ = 11001024000.

The previous prime is 30280005247. The next prime is 30280005251. The reversal of 30280005250 is 5250008203.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30280005251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3512946 + ... + 3521554.

It is an arithmetic number, because the mean of its divisors is an integer number (967075200).

Almost surely, 2^30280005250 is an apocalyptic number.

30280005250 is an abundant number, since it is smaller than the sum of its proper divisors (31612807550).

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

30280005250 is a wasteful number, since it uses less digits than its factorization.

30280005250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916 (or 9906 counting only the distinct ones).

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

The spelling of 30280005250 in words is "thirty billion, two hundred eighty million, five thousand, two hundred fifty".