51340240366055 has 16 divisors (see below), whose sum is σ = 61627075776000. Its totient is φ = 41059669347840.

The previous prime is 51340240366033. The next prime is 51340240366061. The reversal of 51340240366055 is 55066304204315.

It is not a de Polignac number, because 51340240366055 - 2⁴² = 46942193854951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51340240365997 and 51340240366015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223257935 + ... + 223487775.

It is an arithmetic number, because the mean of its divisors is an integer number (3851692236000).

Almost surely, 2^{51340240366055} is an apocalyptic number.

51340240366055 is a deficient number, since it is larger than the sum of its proper divisors (10286835409945).

51340240366055 is a wasteful number, since it uses less digits than its factorization.

51340240366055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243274.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 51340240366055 in words is "fifty-one trillion, three hundred forty billion, two hundred forty million, three hundred sixty-six thousand, fifty-five".