49818909799744 has 28 divisors (see below), whose sum is σ = 98862739472500. Its totient is φ = 24908613239808.

The previous prime is 49818909799727. The next prime is 49818909799783. The reversal of 49818909799744 is 44799790981894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32607297678400 + 17211612121344 = 5710280^2 + 4148688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11239869 + ... + 15032380.

Almost surely, 2^{49818909799744} is an apocalyptic number.

It is an amenable number.

49818909799744 is a deficient number, since it is larger than the sum of its proper divisors (49043829672756).

49818909799744 is a wasteful number, since it uses less digits than its factorization.

49818909799744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301890 (or 26301880 counting only the distinct ones).

The product of its (nonzero) digits is 11851370496, while the sum is 88.

The spelling of 49818909799744 in words is "forty-nine trillion, eight hundred eighteen billion, nine hundred nine million, seven hundred ninety-nine thousand, seven hundred forty-four".