2140198768 has 20 divisors (see below), whose sum is σ = 4234862880. Its totient is φ = 1047330944.

The previous prime is 2140198757. The next prime is 2140198831. The reversal of 2140198768 is 8678910412.

It is a congruent number.

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, 1422253 + ... + 1423756.

It is an arithmetic number, because the mean of its divisors is an integer number (211743144).

Almost surely, 2^2140198768 is an apocalyptic number.

It is an amenable number.

2140198768 is a deficient number, since it is larger than the sum of its proper divisors (2094664112).

2140198768 is a wasteful number, since it uses less digits than its factorization.

2140198768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846064 (or 2846058 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 2140198768 is about 46262.2823475021. The cubic root of 2140198768 is about 1288.6986391450.

The spelling of 2140198768 in words is "two billion, one hundred forty million, one hundred ninety-eight thousand, seven hundred sixty-eight".