306173804992 has 112 divisors (see below), whose sum is σ = 673818872832. Its totient is φ = 136870778880.

The previous prime is 306173804971. The next prime is 306173804999. The reversal of 306173804992 is 299408371603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306173804999) 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, 13018588 + ... + 13042084.

It is an arithmetic number, because the mean of its divisors is an integer number (6016239936).

Almost surely, 2^306173804992 is an apocalyptic number.

306173804992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306173804992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336909436416).

306173804992 is an abundant number, since it is smaller than the sum of its proper divisors (367645067840).

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

306173804992 is a wasteful number, since it uses less digits than its factorization.

306173804992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23826 (or 23816 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 306173804992 in words is "three hundred six billion, one hundred seventy-three million, eight hundred four thousand, nine hundred ninety-two".