51341322450 has 288 divisors, whose sum is σ = 143181960768. Its totient is φ = 12163289600.

The previous prime is 51341322437. The next prime is 51341322467. The reversal of 51341322450 is 5422314315.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 260615752 + ... + 260615948.

It is an arithmetic number, because the mean of its divisors is an integer number (497159586).

Almost surely, 2^51341322450 is an apocalyptic number.

51341322450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51341322450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71590980384).

51341322450 is an abundant number, since it is smaller than the sum of its proper divisors (91840638318).

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

51341322450 is a wasteful number, since it uses less digits than its factorization.

51341322450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51341322450 its reverse (5422314315), we get a palindrome (56763636765).

The spelling of 51341322450 in words is "fifty-one billion, three hundred forty-one million, three hundred twenty-two thousand, four hundred fifty".