2567281984 has 28 divisors (see below), whose sum is σ = 5104523700. Its totient is φ = 1281102848.

The previous prime is 2567281973. The next prime is 2567282021. The reversal of 2567281984 is 4891827652.

It can be written as a sum of positive squares in 2 ways, for example, as 746382400 + 1820899584 = 27320^2 + 42672^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6829 + ... + 71980.

Almost surely, 2^2567281984 is an apocalyptic number.

It is an amenable number.

2567281984 is a deficient number, since it is larger than the sum of its proper divisors (2537241716).

2567281984 is an equidigital number, since it uses as much as digits as its factorization.

2567281984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79330 (or 79320 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 2567281984 is about 50668.3528842215. The cubic root of 2567281984 is about 1369.2766145721.

The spelling of 2567281984 in words is "two billion, five hundred sixty-seven million, two hundred eighty-one thousand, nine hundred eighty-four".