2128232548 has 54 divisors (see below), whose sum is σ = 4091045154. Its totient is φ = 968303232.

The previous prime is 2128232539. The next prime is 2128232549. The reversal of 2128232548 is 8452328212.

It can be written as a sum of positive squares in 3 ways, for example, as 89529444 + 2038703104 = 9462^2 + 45152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128232549) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4656736 + ... + 4657192.

Almost surely, 2^2128232548 is an apocalyptic number.

It is an amenable number.

2128232548 is a deficient number, since it is larger than the sum of its proper divisors (1962812606).

2128232548 is a wasteful number, since it uses less digits than its factorization.

2128232548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 555 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 2128232548 is about 46132.7708684401. The cubic root of 2128232548 is about 1286.2923702383.

The spelling of 2128232548 in words is "two billion, one hundred twenty-eight million, two hundred thirty-two thousand, five hundred forty-eight".