30181716474 has 32 divisors (see below), whose sum is σ = 74293457280. Its totient is φ = 7960012992.

The previous prime is 30181716473. The next prime is 30181716491. The reversal of 30181716474 is 47461718103.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30181716473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27638389 + ... + 27639480.

It is an arithmetic number, because the mean of its divisors is an integer number (2321670540).

Almost surely, 2^30181716474 is an apocalyptic number.

30181716474 is an abundant number, since it is smaller than the sum of its proper divisors (44111740806).

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

30181716474 is a wasteful number, since it uses less digits than its factorization.

30181716474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55277894.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 30181716474 in words is "thirty billion, one hundred eighty-one million, seven hundred sixteen thousand, four hundred seventy-four".