7267556480 has 64 divisors (see below), whose sum is σ = 17414974080. Its totient is φ = 2900167680.

The previous prime is 7267556479. The next prime is 7267556489. The reversal of 7267556480 is 846557627.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (7267556489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262667 + ... + 289013.

It is an arithmetic number, because the mean of its divisors is an integer number (272108970).

Almost surely, 2^7267556480 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 7267556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8707487040).

7267556480 is an abundant number, since it is smaller than the sum of its proper divisors (10147417600).

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

7267556480 is a wasteful number, since it uses less digits than its factorization.

7267556480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26797 (or 26785 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The square root of 7267556480 is about 85249.9646920748. The cubic root of 7267556480 is about 1936.9993360817. Note that the first 3 decimals are identical.

The spelling of 7267556480 in words is "seven billion, two hundred sixty-seven million, five hundred fifty-six thousand, four hundred eighty".