51082219842 has 16 divisors (see below), whose sum is σ = 102533267712. Its totient is φ = 16965935280.

The previous prime is 51082219801. The next prime is 51082219847. The reversal of 51082219842 is 24891228015.

51082219842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51082219794 and 51082219803.

It is not an unprimeable number, because it can be changed into a prime (51082219847) 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, 15366034 + ... + 15369357.

It is an arithmetic number, because the mean of its divisors is an integer number (6408329232).

Almost surely, 2^51082219842 is an apocalyptic number.

51082219842 is an abundant number, since it is smaller than the sum of its proper divisors (51451047870).

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

51082219842 is a wasteful number, since it uses less digits than its factorization.

51082219842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30735673.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 51082219842 in words is "fifty-one billion, eighty-two million, two hundred nineteen thousand, eight hundred forty-two".