51494227744 has 24 divisors (see below), whose sum is σ = 101502495360. Its totient is φ = 25715816256.

The previous prime is 51494227717. The next prime is 51494227769. The reversal of 51494227744 is 44772249415.

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, 951304 + ... + 1003975.

It is an arithmetic number, because the mean of its divisors is an integer number (4229270640).

Almost surely, 2^51494227744 is an apocalyptic number.

It is an amenable number.

51494227744 is a deficient number, since it is larger than the sum of its proper divisors (50008267616).

51494227744 is a wasteful number, since it uses less digits than its factorization.

51494227744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956112 (or 1956104 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 51494227744 in words is "fifty-one billion, four hundred ninety-four million, two hundred twenty-seven thousand, seven hundred forty-four".