304827072138 has 24 divisors (see below), whose sum is σ = 660473497476. Its totient is φ = 101606740800.

The previous prime is 304827072133. The next prime is 304827072161. The reversal of 304827072138 is 831270728403.

304827072138 is a `hidden beast` number, since 3 + 0 + 482 + 70 + 72 + 1 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 257234595489 + 47592476649 = 507183^2 + 218157^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 304827072093 and 304827072102.

It is not an unprimeable number, because it can be changed into a prime (304827072133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 761758 + ... + 1090838.

Almost surely, 2^304827072138 is an apocalyptic number.

304827072138 is an abundant number, since it is smaller than the sum of its proper divisors (355646425338).

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

304827072138 is a wasteful number, since it uses less digits than its factorization.

304827072138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380550 (or 380547 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 304827072138 in words is "three hundred four billion, eight hundred twenty-seven million, seventy-two thousand, one hundred thirty-eight".