100443434444 has 12 divisors (see below), whose sum is σ = 175778425704. Its totient is φ = 50221027104.

The previous prime is 100443434437. The next prime is 100443434519. The reversal of 100443434444 is 444434344001.

It is a super-2 number, since 2×100443434444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296807 + ... + 537569.

It is an arithmetic number, because the mean of its divisors is an integer number (14648202142).

Almost surely, 2^100443434444 is an apocalyptic number.

It is an amenable number.

100443434444 is a deficient number, since it is larger than the sum of its proper divisors (75334991260).

100443434444 is a wasteful number, since it uses less digits than its factorization.

100443434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345064 (or 345062 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 100443434444 its reverse (444434344001), we get a palindrome (544877778445).

The spelling of 100443434444 in words is "one hundred billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred forty-four".