30874211844 has 72 divisors (see below), whose sum is σ = 85052308320. Its totient is φ = 8689532544.

The previous prime is 30874211789. The next prime is 30874211923. The reversal of 30874211844 is 44811247803.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30874211796 and 30874211805.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352449 + ... + 431240.

It is an arithmetic number, because the mean of its divisors is an integer number (1181282060).

Almost surely, 2^30874211844 is an apocalyptic number.

It is an amenable number.

30874211844 is an abundant number, since it is smaller than the sum of its proper divisors (54178096476).

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

30874211844 is a wasteful number, since it uses less digits than its factorization.

30874211844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783777 (or 783768 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 30874211844 in words is "thirty billion, eight hundred seventy-four million, two hundred eleven thousand, eight hundred forty-four".