2140684992 has 42 divisors (see below), whose sum is σ = 6135888668. Its totient is φ = 713561472.

The previous prime is 2140684981. The next prime is 2140684993. The reversal of 2140684992 is 2994860412.

It is not an unprimeable number, because it can be changed into a prime (2140684993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1857658 + ... + 1858809.

Almost surely, 2^2140684992 is an apocalyptic number.

It is an amenable number.

2140684992 is an abundant number, since it is smaller than the sum of its proper divisors (3995203676).

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

2140684992 is a wasteful number, since it uses less digits than its factorization.

2140684992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716485 (or 3716472 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2140684992 is about 46267.5371291795. The cubic root of 2140684992 is about 1288.7962233463.

The spelling of 2140684992 in words is "two billion, one hundred forty million, six hundred eighty-four thousand, nine hundred ninety-two".