2732669856 has 144 divisors (see below), whose sum is σ = 8915961600. Its totient is φ = 777705984.

The previous prime is 2732669843. The next prime is 2732669857. The reversal of 2732669856 is 6589662372.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (2732669857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539785 + ... + 544823.

It is an arithmetic number, because the mean of its divisors is an integer number (61916400).

Almost surely, 2^2732669856 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 2732669856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4457980800).

2732669856 is an abundant number, since it is smaller than the sum of its proper divisors (6183291744).

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

2732669856 is a wasteful number, since it uses less digits than its factorization.

2732669856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331 (or 5320 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 2732669856 is about 52274.9448206308. The cubic root of 2732669856 is about 1398.0704465719.

The spelling of 2732669856 in words is "two billion, seven hundred thirty-two million, six hundred sixty-nine thousand, eight hundred fifty-six".