51340352378076 has 72 divisors (see below), whose sum is σ = 130083525411840. Its totient is φ = 17073036648864.

The previous prime is 51340352378059. The next prime is 51340352378089. The reversal of 51340352378076 is 67087325304315.

51340352378076 is a `hidden beast` number, since 5 + 1 + 3 + 40 + 3 + 523 + 7 + 8 + 0 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197467501 + ... + 197727323.

It is an arithmetic number, because the mean of its divisors is an integer number (1806715630720).

Almost surely, 2^{51340352378076} is an apocalyptic number.

It is an amenable number.

51340352378076 is an abundant number, since it is smaller than the sum of its proper divisors (78743173033764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51340352378076 is a wasteful number, since it uses less digits than its factorization.

51340352378076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272775 (or 272770 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 51340352378076 in words is "fifty-one trillion, three hundred forty billion, three hundred fifty-two million, three hundred seventy-eight thousand, seventy-six".