51040105360 has 40 divisors (see below), whose sum is σ = 118726151040. Its totient is φ = 20406079872.

The previous prime is 51040105351. The next prime is 51040105373. The reversal of 51040105360 is 6350104015.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 10411 + ... + 319669.

It is an arithmetic number, because the mean of its divisors is an integer number (2968153776).

Almost surely, 2^51040105360 is an apocalyptic number.

It is an amenable number.

51040105360 is an abundant number, since it is smaller than the sum of its proper divisors (67686045680).

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

51040105360 is a wasteful number, since it uses less digits than its factorization.

51040105360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311335 (or 311329 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 51040105360 its reverse (6350104015), we get a palindrome (57390209375).

The spelling of 51040105360 in words is "fifty-one billion, forty million, one hundred five thousand, three hundred sixty".