2190940316 has 12 divisors (see below), whose sum is σ = 3847233432. Its totient is φ = 1091730768.

The previous prime is 2190940309. The next prime is 2190940319. The reversal of 2190940316 is 6130490912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190940319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933530 + ... + 935873.

It is an arithmetic number, because the mean of its divisors is an integer number (320602786).

Almost surely, 2^2190940316 is an apocalyptic number.

It is an amenable number.

2190940316 is a deficient number, since it is larger than the sum of its proper divisors (1656293116).

2190940316 is a wasteful number, since it uses less digits than its factorization.

2190940316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869700 (or 1869698 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2190940316 is about 46807.4814105609. The cubic root of 2190940316 is about 1298.8036955126.

The spelling of 2190940316 in words is "two billion, one hundred ninety million, nine hundred forty thousand, three hundred sixteen".