105405324402 has 32 divisors (see below), whose sum is σ = 246529400832. Its totient is φ = 29415438864.

The previous prime is 105405324391. The next prime is 105405324443. The reversal of 105405324402 is 204423504501.

It is a super-2 number, since 2×105405324402² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105405324402.

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 15 ways as a sum of consecutive naturals, for example, 29180178 + ... + 29183789.

It is an arithmetic number, because the mean of its divisors is an integer number (7704043776).

Almost surely, 2^105405324402 is an apocalyptic number.

105405324402 is an abundant number, since it is smaller than the sum of its proper divisors (141124076430).

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

105405324402 is a wasteful number, since it uses less digits than its factorization.

105405324402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58364022.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 105405324402 its reverse (204423504501), we get a palindrome (309828828903).

The spelling of 105405324402 in words is "one hundred five billion, four hundred five million, three hundred twenty-four thousand, four hundred two".