2010321840 has 80 divisors (see below), whose sum is σ = 6384028896. Its totient is φ = 523008000.

The previous prime is 2010321839. The next prime is 2010321871. The reversal of 2010321840 is 481230102.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 92311 + ... + 111990.

Almost surely, 2^2010321840 is an apocalyptic number.

2010321840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010321840 is an abundant number, since it is smaller than the sum of its proper divisors (4373707056).

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

2010321840 is a wasteful number, since it uses less digits than its factorization.

2010321840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204358 (or 204352 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2010321840 is about 44836.6127177333. The cubic root of 2010321840 is about 1262.0847824509.

Adding to 2010321840 its reverse (481230102), we get a palindrome (2491551942).

The spelling of 2010321840 in words is "two billion, ten million, three hundred twenty-one thousand, eight hundred forty".