2128530496 has 63 divisors (see below), whose sum is σ = 4337350101. Its totient is φ = 1036399104.

The previous prime is 2128530493. The next prime is 2128530511. The reversal of 2128530496 is 6940358212.

The square root of 2128530496 is 46136.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1208257600 + 920272896 = 34760^2 + 30336^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128530493) 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 8 ways as a sum of consecutive naturals, for example, 26943385 + ... + 26943463.

It is an arithmetic number, because the mean of its divisors is an integer number (68846827).

Almost surely, 2^2128530496 is an apocalyptic number.

2128530496 is the 46136-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128530496

2128530496 is an abundant number, since it is smaller than the sum of its proper divisors (2208819605).

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

2128530496 is an frugal number, since it uses more digits than its factorization.

2128530496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The cubic root of 2128530496 is about 1286.3523934966.

The spelling of 2128530496 in words is "two billion, one hundred twenty-eight million, five hundred thirty thousand, four hundred ninety-six".