2856728292 has 48 divisors (see below), whose sum is σ = 7275620352. Its totient is φ = 865205280.

The previous prime is 2856728183. The next prime is 2856728321. The reversal of 2856728292 is 2928276582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297153 + ... + 306615.

It is an arithmetic number, because the mean of its divisors is an integer number (151575424).

Almost surely, 2^2856728292 is an apocalyptic number.

2856728292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2856728292 is an abundant number, since it is smaller than the sum of its proper divisors (4418892060).

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

2856728292 is a wasteful number, since it uses less digits than its factorization.

2856728292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11768 (or 11766 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 2856728292 is about 53448.3703399832. The cubic root of 2856728292 is about 1418.9147781936.

The spelling of 2856728292 in words is "two billion, eight hundred fifty-six million, seven hundred twenty-eight thousand, two hundred ninety-two".