2749545228 has 18 divisors (see below), whose sum is σ = 6416029396. Its totient is φ = 916454528.

The previous prime is 2749545223. The next prime is 2749545229. The reversal of 2749545228 is 8225459472.

2749545228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2749545223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174076 + ... + 189212.

Almost surely, 2^2749545228 is an apocalyptic number.

It is an amenable number.

2749545228 is an abundant number, since it is smaller than the sum of its proper divisors (3666484168).

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

2749545228 is an frugal number, since it uses more digits than its factorization.

2749545228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30281 (or 15142 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 2749545228 is about 52436.1061483402. The cubic root of 2749545228 is about 1400.9424314319.

Multiplying 2749545228 by its sum of digits (48), we get a square (131978170944 = 363288²).

The spelling of 2749545228 in words is "two billion, seven hundred forty-nine million, five hundred forty-five thousand, two hundred twenty-eight".