5105222243240 has 128 divisors (see below), whose sum is σ = 13436299008000. Its totient is φ = 1709237230848.

The previous prime is 5105222243237. The next prime is 5105222243263. The reversal of 5105222243240 is 423422225015.

It is a junction number, because it is equal to n+sod(n) for n = 5105222243197 and 5105222243206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51228581 + ... + 51328139.

It is an arithmetic number, because the mean of its divisors is an integer number (104971086000).

Almost surely, 2^{5105222243240} 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 5105222243240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6718149504000).

5105222243240 is an abundant number, since it is smaller than the sum of its proper divisors (8331076764760).

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

5105222243240 is a wasteful number, since it uses less digits than its factorization.

5105222243240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103879 (or 103875 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 5105222243240 its reverse (423422225015), we get a palindrome (5528644468255).

The spelling of 5105222243240 in words is "five trillion, one hundred five billion, two hundred twenty-two million, two hundred forty-three thousand, two hundred forty".