2064211640 has 16 divisors (see below), whose sum is σ = 4644476280. Its totient is φ = 825684640.

The previous prime is 2064211631. The next prime is 2064211651. The reversal of 2064211640 is 461124602.

It is a super-2 number, since 2×2064211640² = 8521939389422979200, which contains 22 as substring.

It is a congruent number.

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, 25802606 + ... + 25802685.

Almost surely, 2^2064211640 is an apocalyptic number.

2064211640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064211640 is an abundant number, since it is smaller than the sum of its proper divisors (2580264640).

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

2064211640 is a wasteful number, since it uses less digits than its factorization.

2064211640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51605302 (or 51605298 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2064211640 is about 45433.5959395688. The cubic root of 2064211640 is about 1273.2628687071.

The spelling of 2064211640 in words is "two billion, sixty-four million, two hundred eleven thousand, six hundred forty".