2721548028 has 12 divisors (see below), whose sum is σ = 6350278760. Its totient is φ = 907182672.

The previous prime is 2721548023. The next prime is 2721548059. The reversal of 2721548028 is 8208451272.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721548023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113397823 + ... + 113397846.

Almost surely, 2^2721548028 is an apocalyptic number.

It is an amenable number.

2721548028 is an abundant number, since it is smaller than the sum of its proper divisors (3628730732).

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

2721548028 is a wasteful number, since it uses less digits than its factorization.

2721548028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226795676 (or 226795674 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2721548028 is about 52168.4581715810. The cubic root of 2721548028 is about 1396.1711756065.

The spelling of 2721548028 in words is "two billion, seven hundred twenty-one million, five hundred forty-eight thousand, twenty-eight".