51301644044042 has 16 divisors (see below), whose sum is σ = 88587614744640. Its totient is φ = 21825934065888.

The previous prime is 51301644044041. The next prime is 51301644044069. The reversal of 51301644044042 is 24044044610315.

It is a junction number, because it is equal to n+sod(n) for n = 51301644043987 and 51301644044005.

It is not an unprimeable number, because it can be changed into a prime (51301644044041) 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, 13373732192 + ... + 13373736027.

It is an arithmetic number, because the mean of its divisors is an integer number (5536725921540).

Almost surely, 2^{51301644044042} is an apocalyptic number.

51301644044042 is a deficient number, since it is larger than the sum of its proper divisors (37285970700598).

51301644044042 is a wasteful number, since it uses less digits than its factorization.

51301644044042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26747468365.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 51301644044042 its reverse (24044044610315), we get a palindrome (75345688654357).

The spelling of 51301644044042 in words is "fifty-one trillion, three hundred one billion, six hundred forty-four million, forty-four thousand, forty-two".