440130021001 has 32 divisors (see below), whose sum is σ = 508494180096. Its totient is φ = 377291520000.

The previous prime is 440130020999. The next prime is 440130021041. The reversal of 440130021001 is 100120031044.

It is a cyclic number.

It is not a de Polignac number, because 440130021001 - 2¹ = 440130020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440130021041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2432401 + ... + 2607073.

It is an arithmetic number, because the mean of its divisors is an integer number (15890443128).

Almost surely, 2^440130021001 is an apocalyptic number.

440130021001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

440130021001 is a deficient number, since it is larger than the sum of its proper divisors (68364159095).

440130021001 is a wasteful number, since it uses less digits than its factorization.

440130021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174913.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 440130021001 its reverse (100120031044), we get a palindrome (540250052045).

The spelling of 440130021001 in words is "four hundred forty billion, one hundred thirty million, twenty-one thousand, one".