7216056280 has 32 divisors (see below), whose sum is σ = 16299325440. Its totient is φ = 2875187200.

The previous prime is 7216056241. The next prime is 7216056299. The reversal of 7216056280 is 826506127.

It is a happy number.

It is a super-2 number, since 2×7216056280² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 340696 + ... + 361255.

It is an arithmetic number, because the mean of its divisors is an integer number (509353920).

Almost surely, 2^7216056280 is an apocalyptic number.

It is an amenable number.

7216056280 is an abundant number, since it is smaller than the sum of its proper divisors (9083269160).

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

7216056280 is a wasteful number, since it uses less digits than its factorization.

7216056280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702219 (or 702215 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 7216056280 is about 84947.3735909475. The cubic root of 7216056280 is about 1932.4130894587.

The spelling of 7216056280 in words is "seven billion, two hundred sixteen million, fifty-six thousand, two hundred eighty".