100434464438 has 64 divisors (see below), whose sum is σ = 190378100736. Its totient is φ = 38601360000.

The previous prime is 100434464437. The next prime is 100434464443. The reversal of 100434464438 is 834464434001.

It is a junction number, because it is equal to n+sod(n) for n = 100434464395 and 100434464404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100434464437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4296803 + ... + 4320113.

It is an arithmetic number, because the mean of its divisors is an integer number (2974657824).

Almost surely, 2^100434464438 is an apocalyptic number.

100434464438 is a deficient number, since it is larger than the sum of its proper divisors (89943636298).

100434464438 is a wasteful number, since it uses less digits than its factorization.

100434464438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23709.

The product of its (nonzero) digits is 442368, while the sum is 41.

Adding to 100434464438 its reverse (834464434001), we get a palindrome (934898898439).

The spelling of 100434464438 in words is "one hundred billion, four hundred thirty-four million, four hundred sixty-four thousand, four hundred thirty-eight".