51445066260404 has 12 divisors (see below), whose sum is σ = 90035790811428. Its totient is φ = 25720554600000.

The previous prime is 51445066260397. The next prime is 51445066260433. The reversal of 51445066260404 is 40406266054415.

It can be written as a sum of positive squares in 2 ways, for example, as 23118210259600 + 28326856000804 = 4808140^2 + 5322298^2 .

It is a super-3 number, since 3×51445066260404³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494574047 + ... + 494678054.

It is an arithmetic number, because the mean of its divisors is an integer number (7502982567619).

Almost surely, 2^{51445066260404} is an apocalyptic number.

It is an amenable number.

51445066260404 is a deficient number, since it is larger than the sum of its proper divisors (38590724551024).

51445066260404 is a wasteful number, since it uses less digits than its factorization.

51445066260404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989265106 (or 989265104 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 51445066260404 in words is "fifty-one trillion, four hundred forty-five billion, sixty-six million, two hundred sixty thousand, four hundred four".