2140746380 has 12 divisors (see below), whose sum is σ = 4495567440. Its totient is φ = 856298544.

The previous prime is 2140746353. The next prime is 2140746431. The reversal of 2140746380 is 836470412.

It is a self number, because there is not a number n which added to its sum of digits gives 2140746380.

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 3 ways as a sum of consecutive naturals, for example, 53518640 + ... + 53518679.

It is an arithmetic number, because the mean of its divisors is an integer number (374630620).

Almost surely, 2^2140746380 is an apocalyptic number.

2140746380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140746380 is an abundant number, since it is smaller than the sum of its proper divisors (2354821060).

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

2140746380 is a wasteful number, since it uses less digits than its factorization.

2140746380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107037328 (or 107037326 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2140746380 is about 46268.2005269278. The cubic root of 2140746380 is about 1288.8085427466.

The spelling of 2140746380 in words is "two billion, one hundred forty million, seven hundred forty-six thousand, three hundred eighty".