51802861326384 has 40 divisors (see below), whose sum is σ = 152941781059840. Its totient is φ = 14800817521728.

The previous prime is 51802861326371. The next prime is 51802861326389. The reversal of 51802861326384 is 48362316820815.

It is not an unprimeable number, because it can be changed into a prime (51802861326389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77087590924 + ... + 77087591595.

It is an arithmetic number, because the mean of its divisors is an integer number (3823544526496).

Almost surely, 2^{51802861326384} is an apocalyptic number.

It is an amenable number.

51802861326384 is an abundant number, since it is smaller than the sum of its proper divisors (101138919733456).

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

51802861326384 is a wasteful number, since it uses less digits than its factorization.

51802861326384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154175182537 (or 154175182531 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 51802861326384 in words is "fifty-one trillion, eight hundred two billion, eight hundred sixty-one million, three hundred twenty-six thousand, three hundred eighty-four".