51040193798 has 8 divisors (see below), whose sum is σ = 83520317160. Its totient is φ = 23200088080.

The previous prime is 51040193777. The next prime is 51040193819. The reversal of 51040193798 is 89739104015.

51040193798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51040193777) and next prime (51040193819).

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1160004383 + ... + 1160004426.

It is an arithmetic number, because the mean of its divisors is an integer number (10440039645).

Almost surely, 2^51040193798 is an apocalyptic number.

51040193798 is a deficient number, since it is larger than the sum of its proper divisors (32480123362).

51040193798 is a wasteful number, since it uses less digits than its factorization.

51040193798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320008822.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 51040193798 in words is "fifty-one billion, forty million, one hundred ninety-three thousand, seven hundred ninety-eight".