30188173434 has 64 divisors (see below), whose sum is σ = 62482834944. Its totient is φ = 9718802496.

The previous prime is 30188173409. The next prime is 30188173511. The reversal of 30188173434 is 43437188103.

It is a super-2 number, since 2×30188173434² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5543517 + ... + 5548959.

It is an arithmetic number, because the mean of its divisors is an integer number (976294296).

Almost surely, 2^30188173434 is an apocalyptic number.

30188173434 is an abundant number, since it is smaller than the sum of its proper divisors (32294661510).

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

30188173434 is a wasteful number, since it uses less digits than its factorization.

30188173434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 30188173434 in words is "thirty billion, one hundred eighty-eight million, one hundred seventy-three thousand, four hundred thirty-four".