30399466872 has 32 divisors (see below), whose sum is σ = 76032564480. Its totient is φ = 10128636000.

The previous prime is 30399466843. The next prime is 30399466883. The reversal of 30399466872 is 27866499303.

It is a super-2 number, since 2×30399466872² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227328 + ... + 335375.

It is an arithmetic number, because the mean of its divisors is an integer number (2376017640).

Almost surely, 2^30399466872 is an apocalyptic number.

It is an amenable number.

30399466872 is an abundant number, since it is smaller than the sum of its proper divisors (45633097608).

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

30399466872 is a wasteful number, since it uses less digits than its factorization.

30399466872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564963 (or 564959 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 30399466872 in words is "thirty billion, three hundred ninety-nine million, four hundred sixty-six thousand, eight hundred seventy-two".