105418454402 has 16 divisors (see below), whose sum is σ = 158793523200. Its totient is φ = 52487524320.

The previous prime is 105418454387. The next prime is 105418454419. The reversal of 105418454402 is 204454814501.

It is a super-2 number, since 2×105418454402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 815999 + ... + 936317.

It is an arithmetic number, because the mean of its divisors is an integer number (9924595200).

Almost surely, 2^105418454402 is an apocalyptic number.

105418454402 is a deficient number, since it is larger than the sum of its proper divisors (53375068798).

105418454402 is a wasteful number, since it uses less digits than its factorization.

105418454402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122161.

The product of its (nonzero) digits is 102400, while the sum is 38.

The spelling of 105418454402 in words is "one hundred five billion, four hundred eighteen million, four hundred fifty-four thousand, four hundred two".