2725843456 has 80 divisors (see below), whose sum is σ = 6241118400. Its totient is φ = 1165086720.

The previous prime is 2725843453. The next prime is 2725843481. The reversal of 2725843456 is 6543485272.

It is not an unprimeable number, because it can be changed into a prime (2725843451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758970 + ... + 1760518.

It is an arithmetic number, because the mean of its divisors is an integer number (78013980).

Almost surely, 2^2725843456 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 2725843456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3120559200).

2725843456 is an abundant number, since it is smaller than the sum of its proper divisors (3515274944).

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

2725843456 is an equidigital number, since it uses as much as digits as its factorization.

2725843456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2049 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 46.

The square root of 2725843456 is about 52209.6107627705. The cubic root of 2725843456 is about 1396.9053166607.

The spelling of 2725843456 in words is "two billion, seven hundred twenty-five million, eight hundred forty-three thousand, four hundred fifty-six".