2725648456 has 8 divisors (see below), whose sum is σ = 5110590870. Its totient is φ = 1362824224.

The previous prime is 2725648451. The next prime is 2725648459. The reversal of 2725648456 is 6548465272.

It can be written as a sum of positive squares in only one way, i.e., 2193423556 + 532224900 = 46834^2 + 23070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2725648451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170353021 + ... + 170353036.

Almost surely, 2^2725648456 is an apocalyptic number.

It is an amenable number.

2725648456 is a deficient number, since it is larger than the sum of its proper divisors (2384942414).

2725648456 is a wasteful number, since it uses less digits than its factorization.

2725648456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340706063 (or 340706059 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The square root of 2725648456 is about 52207.7432571070. The cubic root of 2725648456 is about 1396.8720054995.

The spelling of 2725648456 in words is "two billion, seven hundred twenty-five million, six hundred forty-eight thousand, four hundred fifty-six".