30280027530 has 64 divisors (see below), whose sum is σ = 77032539648. Its totient is φ = 7591234560.

The previous prime is 30280027523. The next prime is 30280027543. The reversal of 30280027530 is 3572008203.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432024 + ... + 497196.

It is an arithmetic number, because the mean of its divisors is an integer number (1203633432).

Almost surely, 2^30280027530 is an apocalyptic number.

30280027530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30280027530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38516269824).

30280027530 is an abundant number, since it is smaller than the sum of its proper divisors (46752512118).

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

30280027530 is a wasteful number, since it uses less digits than its factorization.

30280027530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66111.

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 30280027530 in words is "thirty billion, two hundred eighty million, twenty-seven thousand, five hundred thirty".