4401020445 has 64 divisors (see below), whose sum is σ = 7759134720. Its totient is φ = 2120228352.

The previous prime is 4401020441. The next prime is 4401020467. The reversal of 4401020445 is 5440201044.

It is a happy number.

It is not a de Polignac number, because 4401020445 - 2² = 4401020441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401020441) 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, 2509689 + ... + 2511441.

It is an arithmetic number, because the mean of its divisors is an integer number (121236480).

Almost surely, 2^4401020445 is an apocalyptic number.

It is an amenable number.

4401020445 is a deficient number, since it is larger than the sum of its proper divisors (3358114275).

4401020445 is a wasteful number, since it uses less digits than its factorization.

4401020445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4401020445 is about 66340.1872547855. The cubic root of 4401020445 is about 1638.7692090299.

Adding to 4401020445 its reverse (5440201044), we get a palindrome (9841221489).

The spelling of 4401020445 in words is "four billion, four hundred one million, twenty thousand, four hundred forty-five".