51044334380 has 24 divisors (see below), whose sum is σ = 115438726032. Its totient is φ = 18847138752.

The previous prime is 51044334373. The next prime is 51044334389. The reversal of 51044334380 is 8343344015.

It is a self number, because there is not a number n which added to its sum of digits gives 51044334380.

It is not an unprimeable number, because it can be changed into a prime (51044334389) 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, 98161922 + ... + 98162441.

It is an arithmetic number, because the mean of its divisors is an integer number (4809946918).

Almost surely, 2^51044334380 is an apocalyptic number.

It is an amenable number.

51044334380 is an abundant number, since it is smaller than the sum of its proper divisors (64394391652).

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

51044334380 is a wasteful number, since it uses less digits than its factorization.

51044334380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196324385 (or 196324383 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 51044334380 its reverse (8343344015), we get a palindrome (59387678395).

The spelling of 51044334380 in words is "fifty-one billion, forty-four million, three hundred thirty-four thousand, three hundred eighty".