305432602085 has 24 divisors (see below), whose sum is σ = 400350967800. Its totient is φ = 222373226880.

The previous prime is 305432602049. The next prime is 305432602091. The reversal of 305432602085 is 580206234503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1171145284 + 304261456801 = 34222^2 + 551599^2 .

It is not a de Polignac number, because 305432602085 - 2²⁰ = 305431553509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138410 + ... + 793739.

It is an arithmetic number, because the mean of its divisors is an integer number (16681290325).

Almost surely, 2^305432602085 is an apocalyptic number.

It is an amenable number.

305432602085 is a deficient number, since it is larger than the sum of its proper divisors (94918365715).

305432602085 is an equidigital number, since it uses as much as digits as its factorization.

305432602085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932309 (or 932238 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 305432602085 its reverse (580206234503), we get a palindrome (885638836588).

The spelling of 305432602085 in words is "three hundred five billion, four hundred thirty-two million, six hundred two thousand, eighty-five".