51844140005 has 32 divisors (see below), whose sum is σ = 72370920960. Its totient is φ = 34918813440.

The previous prime is 51844139999. The next prime is 51844140037. The reversal of 51844140005 is 50004144815.

It is not a de Polignac number, because 51844140005 - 2⁸ = 51844139749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629687 + ... + 707243.

It is an arithmetic number, because the mean of its divisors is an integer number (2261591280).

Almost surely, 2^51844140005 is an apocalyptic number.

It is an amenable number.

51844140005 is a deficient number, since it is larger than the sum of its proper divisors (20526780955).

51844140005 is a wasteful number, since it uses less digits than its factorization.

51844140005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77909.

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 51844140005 in words is "fifty-one billion, eight hundred forty-four million, one hundred forty thousand, five".