51303410440 has 32 divisors (see below), whose sum is σ = 115936767000. Its totient is φ = 20431747584.

The previous prime is 51303410437. The next prime is 51303410489. The reversal of 51303410440 is 4401430315.

It can be written as a sum of positive squares in 4 ways, for example, as 38666503044 + 12636907396 = 196638^2 + 112414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2791245 + ... + 2809564.

Almost surely, 2^51303410440 is an apocalyptic number.

It is an amenable number.

51303410440 is an abundant number, since it is smaller than the sum of its proper divisors (64633356560).

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

51303410440 is a wasteful number, since it uses less digits than its factorization.

51303410440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601049 (or 5601045 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51303410440 its reverse (4401430315), we get a palindrome (55704840755).

The spelling of 51303410440 in words is "fifty-one billion, three hundred three million, four hundred ten thousand, four hundred forty".