30190985528 has 16 divisors (see below), whose sum is σ = 61754288760. Its totient is φ = 13723175200.

The previous prime is 30190985453. The next prime is 30190985533. The reversal of 30190985528 is 82558909103.

It is a super-2 number, since 2×30190985528² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171539603 + ... + 171539778.

Almost surely, 2^30190985528 is an apocalyptic number.

It is an amenable number.

30190985528 is an abundant number, since it is smaller than the sum of its proper divisors (31563303232).

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

30190985528 is a wasteful number, since it uses less digits than its factorization.

30190985528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343079398 (or 343079394 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 30190985528 in words is "thirty billion, one hundred ninety million, nine hundred eighty-five thousand, five hundred twenty-eight".