51740842726 has 8 divisors (see below), whose sum is σ = 77656365864. Its totient is φ = 25855387440.

The previous prime is 51740842723. The next prime is 51740842763. The reversal of 51740842726 is 62724804715.

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

It is a super-2 number, since 2×51740842726² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51740842723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7512660 + ... + 7519543.

It is an arithmetic number, because the mean of its divisors is an integer number (9707045733).

Almost surely, 2^51740842726 is an apocalyptic number.

51740842726 is a deficient number, since it is larger than the sum of its proper divisors (25915523138).

51740842726 is a wasteful number, since it uses less digits than its factorization.

51740842726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033926.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 51740842726 in words is "fifty-one billion, seven hundred forty million, eight hundred forty-two thousand, seven hundred twenty-six".