105422040493 has 72 divisors (see below), whose sum is σ = 141712517184. Its totient is φ = 76741188480.

The previous prime is 105422040491. The next prime is 105422040509. The reversal of 105422040493 is 394040224501.

It is not a de Polignac number, because 105422040493 - 2¹ = 105422040491 is a prime.

It is a super-2 number, since 2×105422040493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105422040491) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 22318630 + ... + 22323352.

Almost surely, 2^105422040493 is an apocalyptic number.

It is an amenable number.

105422040493 is a deficient number, since it is larger than the sum of its proper divisors (36290476691).

105422040493 is a wasteful number, since it uses less digits than its factorization.

105422040493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4833 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 105422040493 its reverse (394040224501), we get a palindrome (499462264994).

The spelling of 105422040493 in words is "one hundred five billion, four hundred twenty-two million, forty thousand, four hundred ninety-three".