4104134440021 has 64 divisors (see below), whose sum is σ = 5485006725120. Its totient is φ = 2975554517760.

The previous prime is 4104134440013. The next prime is 4104134440073. The reversal of 4104134440021 is 1200444314014.

It is not a de Polignac number, because 4104134440021 - 2³ = 4104134440013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104134440001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 502522480 + ... + 502530646.

It is an arithmetic number, because the mean of its divisors is an integer number (85703230080).

Almost surely, 2^{4104134440021} is an apocalyptic number.

It is an amenable number.

4104134440021 is a deficient number, since it is larger than the sum of its proper divisors (1380872285099).

4104134440021 is a wasteful number, since it uses less digits than its factorization.

4104134440021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15914.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4104134440021 its reverse (1200444314014), we get a palindrome (5304578754035).

The spelling of 4104134440021 in words is "four trillion, one hundred four billion, one hundred thirty-four million, four hundred forty thousand, twenty-one".