51044042032 has 20 divisors (see below), whose sum is σ = 104102981080. Its totient is φ = 24178756608.

The previous prime is 51044042029. The next prime is 51044042033. The reversal of 51044042032 is 23024044015.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51044041988 and 51044042006.

It is not an unprimeable number, because it can be changed into a prime (51044042033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 83953713 + ... + 83954320.

It is an arithmetic number, because the mean of its divisors is an integer number (5205149054).

Almost surely, 2^51044042032 is an apocalyptic number.

It is an amenable number.

51044042032 is an abundant number, since it is smaller than the sum of its proper divisors (53058939048).

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

51044042032 is a wasteful number, since it uses less digits than its factorization.

51044042032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167908060 (or 167908054 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 51044042032 its reverse (23024044015), we get a palindrome (74068086047).

The spelling of 51044042032 in words is "fifty-one billion, forty-four million, forty-two thousand, thirty-two".