32104044021 has 16 divisors (see below), whose sum is σ = 49173928064. Its totient is φ = 18250113024.

The previous prime is 32104043999. The next prime is 32104044047. The reversal of 32104044021 is 12044040123.

It is not a de Polignac number, because 32104044021 - 2⁵ = 32104043989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32104044121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3956476 + ... + 3964581.

It is an arithmetic number, because the mean of its divisors is an integer number (3073370504).

Almost surely, 2^32104044021 is an apocalyptic number.

It is an amenable number.

32104044021 is a deficient number, since it is larger than the sum of its proper divisors (17069884043).

32104044021 is a wasteful number, since it uses less digits than its factorization.

32104044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7921260.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 32104044021 its reverse (12044040123), we get a palindrome (44148084144).

The spelling of 32104044021 in words is "thirty-two billion, one hundred four million, forty-four thousand, twenty-one".