51344022042 has 16 divisors (see below), whose sum is σ = 114097826880. Its totient is φ = 17114673996.

The previous prime is 51344021977. The next prime is 51344022043. The reversal of 51344022042 is 24022044315.

51344022042 is a `hidden beast` number, since 5 + 13 + 440 + 2 + 204 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51344021997 and 51344022015.

It is not an unprimeable number, because it can be changed into a prime (51344022043) 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, 475407558 + ... + 475407665.

It is an arithmetic number, because the mean of its divisors is an integer number (7131114180).

Almost surely, 2^51344022042 is an apocalyptic number.

51344022042 is an abundant number, since it is smaller than the sum of its proper divisors (62753804838).

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

51344022042 is a wasteful number, since it uses less digits than its factorization.

51344022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950815234 (or 950815228 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 51344022042 its reverse (24022044315), we get a palindrome (75366066357).

The spelling of 51344022042 in words is "fifty-one billion, three hundred forty-four million, twenty-two thousand, forty-two".