2064668244 has 24 divisors (see below), whose sum is σ = 4831864128. Its totient is φ = 686179200.

The previous prime is 2064668237. The next prime is 2064668251. The reversal of 2064668244 is 4428664602.

It is an interprime number because it is at equal distance from previous prime (2064668237) and next prime (2064668251).

It is a junction number, because it is equal to n+sod(n) for n = 2064668196 and 2064668205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251232 + ... + 259319.

It is an arithmetic number, because the mean of its divisors is an integer number (201327672).

Almost surely, 2^2064668244 is an apocalyptic number.

It is an amenable number.

2064668244 is an abundant number, since it is smaller than the sum of its proper divisors (2767195884).

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

2064668244 is a wasteful number, since it uses less digits than its factorization.

2064668244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510895 (or 510893 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The square root of 2064668244 is about 45438.6206216694. The cubic root of 2064668244 is about 1273.3567437804.

The spelling of 2064668244 in words is "two billion, sixty-four million, six hundred sixty-eight thousand, two hundred forty-four".