100405144266 has 32 divisors (see below), whose sum is σ = 237411181440. Its totient is φ = 27697970496.

The previous prime is 100405144243. The next prime is 100405144267. The reversal of 100405144266 is 662441504001.

100405144266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (100405144267) 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 15 ways as a sum of consecutive naturals, for example, 41216001 + ... + 41218436.

It is an arithmetic number, because the mean of its divisors is an integer number (7419099420).

Almost surely, 2^100405144266 is an apocalyptic number.

100405144266 is an abundant number, since it is smaller than the sum of its proper divisors (137006037174).

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

100405144266 is a wasteful number, since it uses less digits than its factorization.

100405144266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82434478.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 100405144266 its reverse (662441504001), we get a palindrome (762846648267).

The spelling of 100405144266 in words is "one hundred billion, four hundred five million, one hundred forty-four thousand, two hundred sixty-six".