2280528189 has 60 divisors (see below), whose sum is σ = 3718117524. Its totient is φ = 1391717376.

The previous prime is 2280528163. The next prime is 2280528191. The reversal of 2280528189 is 9818250822.

It can be written as a sum of positive squares in 6 ways, for example, as 251476164 + 2029052025 = 15858^2 + 45045^2 .

It is not a de Polignac number, because 2280528189 - 2⁵ = 2280528157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280528109) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 864817 + ... + 867449.

Almost surely, 2^2280528189 is an apocalyptic number.

It is an amenable number.

2280528189 is a deficient number, since it is larger than the sum of its proper divisors (1437589335).

2280528189 is a wasteful number, since it uses less digits than its factorization.

2280528189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 2280528189 is about 47754.8760756428. The cubic root of 2280528189 is about 1316.2705005695.

The spelling of 2280528189 in words is "two billion, two hundred eighty million, five hundred twenty-eight thousand, one hundred eighty-nine".