2720693888 has 64 divisors (see below), whose sum is σ = 6038824320. Its totient is φ = 1210337280.

The previous prime is 2720693887. The next prime is 2720693917. The reversal of 2720693888 is 8883960272.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2720693887) by changing a digit.

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, 45620 + ... + 86732.

It is an arithmetic number, because the mean of its divisors is an integer number (94356630).

Almost surely, 2^2720693888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2720693888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3019412160).

2720693888 is an abundant number, since it is smaller than the sum of its proper divisors (3318130432).

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

2720693888 is a wasteful number, since it uses less digits than its factorization.

2720693888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41185 (or 41173 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 2720693888 is about 52160.2711649393. The cubic root of 2720693888 is about 1396.0251006015.

The spelling of 2720693888 in words is "two billion, seven hundred twenty million, six hundred ninety-three thousand, eight hundred eighty-eight".