7266544128 has 160 divisors (see below), whose sum is σ = 21570405120. Its totient is φ = 2415329280.

The previous prime is 7266544127. The next prime is 7266544133. The reversal of 7266544128 is 8214456627.

It is not an unprimeable number, because it can be changed into a prime (7266544127) 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 15 ways as a sum of consecutive naturals, for example, 7975993 + ... + 7976903.

It is an arithmetic number, because the mean of its divisors is an integer number (134815032).

Almost surely, 2^7266544128 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 7266544128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10785202560).

7266544128 is an abundant number, since it is smaller than the sum of its proper divisors (14303860992).

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

7266544128 is an equidigital number, since it uses as much as digits as its factorization.

7266544128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1493 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 7266544128 is about 85244.0269344427. The cubic root of 7266544128 is about 1936.9093922235.

The spelling of 7266544128 in words is "seven billion, two hundred sixty-six million, five hundred forty-four thousand, one hundred twenty-eight".