30172065340 has 48 divisors (see below), whose sum is σ = 64124942112. Its totient is φ = 11923808256.

The previous prime is 30172065337. The next prime is 30172065373. The reversal of 30172065340 is 4356027103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137307 + ... + 1163533.

It is an arithmetic number, because the mean of its divisors is an integer number (1335936294).

Almost surely, 2^30172065340 is an apocalyptic number.

It is an amenable number.

30172065340 is an abundant number, since it is smaller than the sum of its proper divisors (33952876772).

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

30172065340 is a wasteful number, since it uses less digits than its factorization.

30172065340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26926 (or 26924 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 30172065340 in words is "thirty billion, one hundred seventy-two million, sixty-five thousand, three hundred forty".