4405423021541 has 16 divisors (see below), whose sum is σ = 4471016859648. Its totient is φ = 4339929409200.

The previous prime is 4405423021499. The next prime is 4405423021589. The reversal of 4405423021541 is 1451203245044.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4405423021541 - 2³⁰ = 4404349279717 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 (4405423023541) 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, 799965110 + ... + 799970616.

It is an arithmetic number, because the mean of its divisors is an integer number (279438553728).

Almost surely, 2^{4405423021541} is an apocalyptic number.

It is an amenable number.

4405423021541 is a deficient number, since it is larger than the sum of its proper divisors (65593838107).

4405423021541 is a wasteful number, since it uses less digits than its factorization.

4405423021541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12472.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 4405423021541 its reverse (1451203245044), we get a palindrome (5856626266585).

The spelling of 4405423021541 in words is "four trillion, four hundred five billion, four hundred twenty-three million, twenty-one thousand, five hundred forty-one".