51344446422000 has 80 divisors (see below), whose sum is σ = 165534495283872. Its totient is φ = 13691852377600.

The previous prime is 51344446421959. The next prime is 51344446422023. The reversal of 51344446422000 is 22464444315.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 51344446422000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4278697869 + ... + 4278709868.

Almost surely, 2^{51344446422000} is an apocalyptic number.

51344446422000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51344446422000 is an abundant number, since it is smaller than the sum of its proper divisors (114190048861872).

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

51344446422000 is a wasteful number, since it uses less digits than its factorization.

51344446422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557407763 (or 8557407747 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 51344446422000 in words is "fifty-one trillion, three hundred forty-four billion, four hundred forty-six million, four hundred twenty-two thousand".