51226813328 has 10 divisors (see below), whose sum is σ = 99251950854. Its totient is φ = 25613406656.

The previous prime is 51226813327. The next prime is 51226813333. The reversal of 51226813328 is 82331862215.

It can be written as a sum of positive squares in only one way, i.e., 44355729664 + 6871083664 = 210608^2 + 82892^2 .

It is not an unprimeable number, because it can be changed into a prime (51226813321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600837901 + ... + 1600837932.

Almost surely, 2^51226813328 is an apocalyptic number.

It is an amenable number.

51226813328 is a deficient number, since it is larger than the sum of its proper divisors (48025137526).

51226813328 is a wasteful number, since it uses less digits than its factorization.

51226813328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201675841 (or 3201675835 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The spelling of 51226813328 in words is "fifty-one billion, two hundred twenty-six million, eight hundred thirteen thousand, three hundred twenty-eight".