51174944742 has 64 divisors (see below), whose sum is σ = 105388867584. Its totient is φ = 16557156000.

The previous prime is 51174944719. The next prime is 51174944747. The reversal of 51174944742 is 24744947115.

It is a junction number, because it is equal to n+sod(n) for n = 51174944691 and 51174944700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174944747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47078523 + ... + 47079609.

It is an arithmetic number, because the mean of its divisors is an integer number (1646701056).

Almost surely, 2^51174944742 is an apocalyptic number.

51174944742 is an abundant number, since it is smaller than the sum of its proper divisors (54213922842).

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

51174944742 is a wasteful number, since it uses less digits than its factorization.

51174944742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113.

The product of its digits is 1128960, while the sum is 48.

The spelling of 51174944742 in words is "fifty-one billion, one hundred seventy-four million, nine hundred forty-four thousand, seven hundred forty-two".