30530530280 has 64 divisors (see below), whose sum is σ = 73428768000. Its totient is φ = 11396323840.

The previous prime is 30530530271. The next prime is 30530530291. The reversal of 30530530280 is 8203503503.

It is a super-2 number, since 2×30530530280² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366980 + ... + 442419.

It is an arithmetic number, because the mean of its divisors is an integer number (1147324500).

Almost surely, 2^30530530280 is an apocalyptic number.

It is an amenable number.

30530530280 is an abundant number, since it is smaller than the sum of its proper divisors (42898237720).

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

30530530280 is a wasteful number, since it uses less digits than its factorization.

30530530280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809474 (or 809470 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 30530530280 in words is "thirty billion, five hundred thirty million, five hundred thirty thousand, two hundred eighty".