304172655842 has 48 divisors (see below), whose sum is σ = 522854196480. Its totient is φ = 132496684320.

The previous prime is 304172655833. The next prime is 304172655847. The reversal of 304172655842 is 248556271403.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (304172655847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275759 + ... + 827277.

It is an arithmetic number, because the mean of its divisors is an integer number (10892795760).

Almost surely, 2^304172655842 is an apocalyptic number.

It is a pronic number, being equal to 551518×551519.

304172655842 is a deficient number, since it is larger than the sum of its proper divisors (218681540638).

304172655842 is a wasteful number, since it uses less digits than its factorization.

304172655842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551639 (or 551628 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 304172655842 in words is "three hundred four billion, one hundred seventy-two million, six hundred fifty-five thousand, eight hundred forty-two".