100440895 has 8 divisors (see below), whose sum is σ = 120592656. Its totient is φ = 80310336.

The previous prime is 100440887. The next prime is 100440911. The reversal of 100440895 is 598044001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100440895 - 2³ = 100440887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8304 + ... + 16426.

It is an arithmetic number, because the mean of its divisors is an integer number (15074082).

Almost surely, 2^100440895 is an apocalyptic number.

100440895 is a deficient number, since it is larger than the sum of its proper divisors (20151761).

100440895 is an equidigital number, since it uses as much as digits as its factorization.

100440895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10601.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 100440895 is about 10022.0205048683. The cubic root of 100440895 is about 464.8400343892.

Adding to 100440895 its reverse (598044001), we get a palindrome (698484896).

The spelling of 100440895 in words is "one hundred million, four hundred forty thousand, eight hundred ninety-five".