3009728280 has 128 divisors (see below), whose sum is σ = 10295812800. Its totient is φ = 697270272.

The previous prime is 3009728243. The next prime is 3009728303. The reversal of 3009728280 is 828279003.

3009728280 is digitally balanced in base 2, 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 (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30225 + ... + 83264.

Almost surely, 2^3009728280 is an apocalyptic number.

3009728280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3009728280 is an abundant number, since it is smaller than the sum of its proper divisors (7286084520).

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

3009728280 is a wasteful number, since it uses less digits than its factorization.

3009728280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113533 (or 113529 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3009728280 is about 54860.9905123850. The cubic root of 3009728280 is about 1443.8068446350.

The spelling of 3009728280 in words is "three billion, nine million, seven hundred twenty-eight thousand, two hundred eighty".