30010688388 has 36 divisors (see below), whose sum is σ = 75879082188. Its totient is φ = 10001092800.

The previous prime is 30010688381. The next prime is 30010688399. The reversal of 30010688388 is 88388601003.

It can be written as a sum of positive squares in 2 ways, for example, as 27558656064 + 2452032324 = 166008^2 + 49518^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (30010688381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47938 + ... + 249638.

It is an arithmetic number, because the mean of its divisors is an integer number (2107752283).

Almost surely, 2^30010688388 is an apocalyptic number.

It is an amenable number.

30010688388 is an abundant number, since it is smaller than the sum of its proper divisors (45868393800).

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

30010688388 is a wasteful number, since it uses less digits than its factorization.

30010688388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205844 (or 205839 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 30010688388 in words is "thirty billion, ten million, six hundred eighty-eight thousand, three hundred eighty-eight".