30506500284 has 72 divisors (see below), whose sum is σ = 77216937840. Its totient is φ = 9369764352.

The previous prime is 30506500261. The next prime is 30506500307. The reversal of 30506500284 is 48200560503.

It is an interprime number because it is at equal distance from previous prime (30506500261) and next prime (30506500307).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1140714 + ... + 1167150.

It is an arithmetic number, because the mean of its divisors is an integer number (1072457470).

Almost surely, 2^30506500284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30506500284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38608468920).

30506500284 is an abundant number, since it is smaller than the sum of its proper divisors (46710437556).

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

30506500284 is a wasteful number, since it uses less digits than its factorization.

30506500284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27039 (or 27024 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 30506500284 in words is "thirty billion, five hundred six million, five hundred thousand, two hundred eighty-four".