306180036 has 18 divisors (see below), whose sum is σ = 773955182. Its totient is φ = 102060000.

The previous prime is 306180023. The next prime is 306180053. The reversal of 306180036 is 630081603.

It can be written as a sum of positive squares in only one way, i.e., 225180036 + 81000000 = 15006^2 + 9000^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×306180036² = 187492428889922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 306179991 and 306180009.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4252465 + ... + 4252536.

Almost surely, 2^306180036 is an apocalyptic number.

306180036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

306180036 is an abundant number, since it is smaller than the sum of its proper divisors (467775146).

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

306180036 is a wasteful number, since it uses less digits than its factorization.

306180036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505011 (or 8505006 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 306180036 is about 17498.0009143902. Note that the first 3 decimals coincide. The cubic root of 306180036 is about 673.9985412654.

The spelling of 306180036 in words is "three hundred six million, one hundred eighty thousand, thirty-six".