100442661236 has 12 divisors (see below), whose sum is σ = 176003238180. Its totient is φ = 50156021760.

The previous prime is 100442661191. The next prime is 100442661251. The reversal of 100442661236 is 632166244001.

It can be written as a sum of positive squares in 2 ways, for example, as 11579051236 + 88863610000 = 107606^2 + 298100^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100442661196 and 100442661205.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 16323755 + ... + 16329906.

It is an arithmetic number, because the mean of its divisors is an integer number (14666936515).

Almost surely, 2^100442661236 is an apocalyptic number.

It is an amenable number.

100442661236 is a deficient number, since it is larger than the sum of its proper divisors (75560576944).

100442661236 is a wasteful number, since it uses less digits than its factorization.

100442661236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32654434 (or 32654432 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 100442661236 in words is "one hundred billion, four hundred forty-two million, six hundred sixty-one thousand, two hundred thirty-six".