2140285772 has 24 divisors (see below), whose sum is σ = 3899771232. Its totient is φ = 1026921600.

The previous prime is 2140285733. The next prime is 2140285781. The reversal of 2140285772 is 2775820412.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96968 + ... + 116975.

It is an arithmetic number, because the mean of its divisors is an integer number (162490468).

Almost surely, 2^2140285772 is an apocalyptic number.

It is an amenable number.

2140285772 is a deficient number, since it is larger than the sum of its proper divisors (1759485460).

2140285772 is a wasteful number, since it uses less digits than its factorization.

2140285772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214049 (or 214047 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 2140285772 is about 46263.2226720102. Note that the first 3 decimals coincide. The cubic root of 2140285772 is about 1288.7161017625.

The spelling of 2140285772 in words is "two billion, one hundred forty million, two hundred eighty-five thousand, seven hundred seventy-two".