2158098028 has 12 divisors (see below), whose sum is σ = 3785437152. Its totient is φ = 1076544560.

The previous prime is 2158098011. The next prime is 2158098049. The reversal of 2158098028 is 8208908512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624175 + ... + 627622.

It is an arithmetic number, because the mean of its divisors is an integer number (315453096).

Almost surely, 2^2158098028 is an apocalyptic number.

It is an amenable number.

2158098028 is a deficient number, since it is larger than the sum of its proper divisors (1627339124).

2158098028 is a wasteful number, since it uses less digits than its factorization.

2158098028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252232 (or 1252230 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 2158098028 is about 46455.3336873173. Note that the first 3 decimals coincide. The cubic root of 2158098028 is about 1292.2812882996.

The spelling of 2158098028 in words is "two billion, one hundred fifty-eight million, ninety-eight thousand, twenty-eight".