51310046260 has 96 divisors (see below), whose sum is σ = 122805486720. Its totient is φ = 17836224000.

The previous prime is 51310046243. The next prime is 51310046287. The reversal of 51310046260 is 6264001315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604567 + ... + 684193.

It is an arithmetic number, because the mean of its divisors is an integer number (1279223820).

Almost surely, 2^51310046260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51310046260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61402743360).

51310046260 is an abundant number, since it is smaller than the sum of its proper divisors (71495440460).

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

51310046260 is a wasteful number, since it uses less digits than its factorization.

51310046260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79777 (or 79775 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 51310046260 its reverse (6264001315), we get a palindrome (57574047575).

The spelling of 51310046260 in words is "fifty-one billion, three hundred ten million, forty-six thousand, two hundred sixty".