2128459248 has 80 divisors (see below), whose sum is σ = 6193249440. Its totient is φ = 699757056.

The previous prime is 2128459247. The next prime is 2128459273. The reversal of 2128459248 is 8429548212.

2128459248 is a `hidden beast` number, since 2 + 12 + 8 + 4 + 592 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128459247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 65282.

It is an arithmetic number, because the mean of its divisors is an integer number (77415618).

Almost surely, 2^2128459248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128459248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096624720).

2128459248 is an abundant number, since it is smaller than the sum of its proper divisors (4064790192).

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

2128459248 is a wasteful number, since it uses less digits than its factorization.

2128459248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67583 (or 67571 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 2128459248 is about 46135.2278416396. The cubic root of 2128459248 is about 1286.3380407059.

The spelling of 2128459248 in words is "two billion, one hundred twenty-eight million, four hundred fifty-nine thousand, two hundred forty-eight".