51142104342 has 96 divisors (see below), whose sum is σ = 132526996992. Its totient is φ = 13936171392.

The previous prime is 51142104329. The next prime is 51142104401. The reversal of 51142104342 is 24340124115.

51142104342 is a `hidden beast` number, since 5 + 1 + 14 + 210 + 434 + 2 = 666.

51142104342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 980178 + ... + 1031034.

It is an arithmetic number, because the mean of its divisors is an integer number (1380489552).

Almost surely, 2^51142104342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51142104342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66263498496).

51142104342 is an abundant number, since it is smaller than the sum of its proper divisors (81384892650).

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

51142104342 is a wasteful number, since it uses less digits than its factorization.

51142104342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51242 (or 51239 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 51142104342 its reverse (24340124115), we get a palindrome (75482228457).

The spelling of 51142104342 in words is "fifty-one billion, one hundred forty-two million, one hundred four thousand, three hundred forty-two".