100443434442 has 16 divisors (see below), whose sum is σ = 216339705120. Its totient is φ = 30905672112.

The previous prime is 100443434437. The next prime is 100443434519. The reversal of 100443434442 is 244434344001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643868092 + ... + 643868247.

It is an arithmetic number, because the mean of its divisors is an integer number (13521231570).

Almost surely, 2^100443434442 is an apocalyptic number.

100443434442 is an abundant number, since it is smaller than the sum of its proper divisors (115896270678).

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

100443434442 is a wasteful number, since it uses less digits than its factorization.

100443434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287736357.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 100443434442 its reverse (244434344001), we get a palindrome (344877778443).

The spelling of 100443434442 in words is "one hundred billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred forty-two".