100444856 has 8 divisors (see below), whose sum is σ = 188334120. Its totient is φ = 50222424.

The previous prime is 100444847. The next prime is 100444871. The reversal of 100444856 is 658444001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277796 + ... + 6277811.

It is an arithmetic number, because the mean of its divisors is an integer number (23541765).

Almost surely, 2^100444856 is an apocalyptic number.

It is an amenable number.

100444856 is a deficient number, since it is larger than the sum of its proper divisors (87889264).

100444856 is a wasteful number, since it uses less digits than its factorization.

100444856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12555613 (or 12555609 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 100444856 is about 10022.2181177622. The cubic root of 100444856 is about 464.8461448060.

Adding to 100444856 its reverse (658444001), we get a palindrome (758888857).

The spelling of 100444856 in words is "one hundred million, four hundred forty-four thousand, eight hundred fifty-six".