306028044 has 120 divisors (see below), whose sum is σ = 930209280. Its totient is φ = 85917024.

The previous prime is 306027961. The next prime is 306028049. The reversal of 306028044 is 440820603.

306028044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 306027999 and 306028017.

It is not an unprimeable number, because it can be changed into a prime (306028049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132669 + ... + 134955.

It is an arithmetic number, because the mean of its divisors is an integer number (7751744).

Almost surely, 2^306028044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306028044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465104640).

306028044 is an abundant number, since it is smaller than the sum of its proper divisors (624181236).

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

306028044 is a wasteful number, since it uses less digits than its factorization.

306028044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 306028044 is about 17493.6572505580. The cubic root of 306028044 is about 673.8869954099.

Adding to 306028044 its reverse (440820603), we get a palindrome (746848647).

The spelling of 306028044 in words is "three hundred six million, twenty-eight thousand, forty-four".