30285732016 has 80 divisors (see below), whose sum is σ = 62607600000. Its totient is φ = 14143094784.

The previous prime is 30285732013. The next prime is 30285732083. The reversal of 30285732016 is 61023758203.

It is a super-3 number, since 3×30285732016³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30285732013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24247360 + ... + 24248608.

It is an arithmetic number, because the mean of its divisors is an integer number (782595000).

Almost surely, 2^30285732016 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 30285732016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31303800000).

30285732016 is an abundant number, since it is smaller than the sum of its proper divisors (32321867984).

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

30285732016 is a wasteful number, since it uses less digits than its factorization.

30285732016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 30285732016 in words is "thirty billion, two hundred eighty-five million, seven hundred thirty-two thousand, sixteen".