104041440021 has 8 divisors (see below), whose sum is σ = 138733111264. Its totient is φ = 69355364400.

The previous prime is 104041439993. The next prime is 104041440023. The reversal of 104041440021 is 120044140401.

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

It is not a de Polignac number, because 104041440021 - 2¹⁰ = 104041438997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104041440021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104041440023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355326 + ... + 1430031.

It is an arithmetic number, because the mean of its divisors is an integer number (17341638908).

Almost surely, 2^104041440021 is an apocalyptic number.

It is an amenable number.

104041440021 is a deficient number, since it is larger than the sum of its proper divisors (34691671243).

104041440021 is a wasteful number, since it uses less digits than its factorization.

104041440021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797811.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 104041440021 its reverse (120044140401), we get a palindrome (224085580422).

The spelling of 104041440021 in words is "one hundred four billion, forty-one million, four hundred forty thousand, twenty-one".