105718819440 has 160 divisors (see below), whose sum is σ = 353449002816. Its totient is φ = 25985433600.

The previous prime is 105718819433. The next prime is 105718819477. The reversal of 105718819440 is 44918817501.

It is a super-2 number, since 2×105718819440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 105718819440.

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, 2162952 + ... + 2211288.

Almost surely, 2^105718819440 is an apocalyptic number.

105718819440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105718819440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176724501408).

105718819440 is an abundant number, since it is smaller than the sum of its proper divisors (247730183376).

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

105718819440 is a wasteful number, since it uses less digits than its factorization.

105718819440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49067 (or 49061 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 105718819440 in words is "one hundred five billion, seven hundred eighteen million, eight hundred nineteen thousand, four hundred forty".