7280631056 has 40 divisors (see below), whose sum is σ = 14441271384. Its totient is φ = 3554841600.

The previous prime is 7280631023. The next prime is 7280631091. The reversal of 7280631056 is 6501360827.

It can be written as a sum of positive squares in 4 ways, for example, as 1577360656 + 5703270400 = 39716^2 + 75520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87110 + ... + 148826.

Almost surely, 2^7280631056 is an apocalyptic number.

It is an amenable number.

7280631056 is a deficient number, since it is larger than the sum of its proper divisors (7160640328).

7280631056 is a wasteful number, since it uses less digits than its factorization.

7280631056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61899 (or 61893 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 7280631056 is about 85326.6139958688. The cubic root of 7280631056 is about 1938.1602156316.

The spelling of 7280631056 in words is "seven billion, two hundred eighty million, six hundred thirty-one thousand, fifty-six".