4144045321 has 8 divisors (see below), whose sum is σ = 4566605120. Its totient is φ = 3736312272.

The previous prime is 4144045313. The next prime is 4144045327. The reversal of 4144045321 is 1235404414.

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

It is a cyclic number.

It is not a de Polignac number, because 4144045321 - 2³ = 4144045313 is a prime.

It is a super-2 number, since 2×4144045321² = 34346223245003986082, which contains 22 as substring.

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 4144045321.

It is not an unprimeable number, because it can be changed into a prime (4144045327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706101 + ... + 3707218.

It is an arithmetic number, because the mean of its divisors is an integer number (570825640).

Almost surely, 2^4144045321 is an apocalyptic number.

It is an amenable number.

4144045321 is a deficient number, since it is larger than the sum of its proper divisors (422559799).

4144045321 is a wasteful number, since it uses less digits than its factorization.

4144045321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413375.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4144045321 is about 64374.2597705014. The cubic root of 4144045321 is about 1606.2315991452.

Adding to 4144045321 its reverse (1235404414), we get a palindrome (5379449735).

The spelling of 4144045321 in words is "four billion, one hundred forty-four million, forty-five thousand, three hundred twenty-one".