100443220407 has 24 divisors (see below), whose sum is σ = 146016458640. Its totient is φ = 66533281920.

The previous prime is 100443220403. The next prime is 100443220417. The reversal of 100443220407 is 704022344001.

100443220407 is a `hidden beast` number, since 10 + 0 + 443 + 2 + 204 + 0 + 7 = 666.

It is not a de Polignac number, because 100443220407 - 2² = 100443220403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100443220403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962323 + ... + 1061579.

It is an arithmetic number, because the mean of its divisors is an integer number (6084019110).

Almost surely, 2^100443220407 is an apocalyptic number.

100443220407 is a deficient number, since it is larger than the sum of its proper divisors (45573238233).

100443220407 is a wasteful number, since it uses less digits than its factorization.

100443220407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99983 (or 99980 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 100443220407 its reverse (704022344001), we get a palindrome (804465564408).

The spelling of 100443220407 in words is "one hundred billion, four hundred forty-three million, two hundred twenty thousand, four hundred seven".