2128598580 has 24 divisors (see below), whose sum is σ = 5960076192. Its totient is φ = 567626272.

The previous prime is 2128598569. The next prime is 2128598587. The reversal of 2128598580 is 858958212.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128598587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17738262 + ... + 17738381.

It is an arithmetic number, because the mean of its divisors is an integer number (248336508).

Almost surely, 2^2128598580 is an apocalyptic number.

2128598580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2128598580 is an abundant number, since it is smaller than the sum of its proper divisors (3831477612).

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

2128598580 is a wasteful number, since it uses less digits than its factorization.

2128598580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35476655 (or 35476653 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 2128598580 is about 46136.7378560730. The cubic root of 2128598580 is about 1286.3661086055.

The spelling of 2128598580 in words is "two billion, one hundred twenty-eight million, five hundred ninety-eight thousand, five hundred eighty".