2708873840 has 40 divisors (see below), whose sum is σ = 6668613360. Its totient is φ = 1019810816.

The previous prime is 2708873809. The next prime is 2708873917. The reversal of 2708873840 is 483788072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 994550 + ... + 997269.

It is an arithmetic number, because the mean of its divisors is an integer number (166715334).

Almost surely, 2^2708873840 is an apocalyptic number.

2708873840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2708873840 is an abundant number, since it is smaller than the sum of its proper divisors (3959739520).

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

2708873840 is a wasteful number, since it uses less digits than its factorization.

2708873840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991849 (or 1991843 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The square root of 2708873840 is about 52046.8427476634. The cubic root of 2708873840 is about 1394.0004899043. Note that the first 3 decimals are identical.

The spelling of 2708873840 in words is "two billion, seven hundred eight million, eight hundred seventy-three thousand, eight hundred forty".