2190244968 has 64 divisors (see below), whose sum is σ = 6087844800. Its totient is φ = 729622080.

The previous prime is 2190244951. The next prime is 2190244993. The reversal of 2190244968 is 8694420912.

It is a Smith number, since the sum of its digits (45) 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640030 + ... + 643442.

It is an arithmetic number, because the mean of its divisors is an integer number (95122575).

Almost surely, 2^2190244968 is an apocalyptic number.

It is an amenable number.

2190244968 is an abundant number, since it is smaller than the sum of its proper divisors (3897599832).

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

2190244968 is a wasteful number, since it uses less digits than its factorization.

2190244968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399 (or 6389 counting only the distinct ones).

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

The square root of 2190244968 is about 46800.0530768930. The cubic root of 2190244968 is about 1298.6662786989. Note that the first 3 decimals are identical.

The spelling of 2190244968 in words is "two billion, one hundred ninety million, two hundred forty-four thousand, nine hundred sixty-eight".