4061440215321 has 16 divisors (see below), whose sum is σ = 5423277974400. Its totient is φ = 2703615062400.

The previous prime is 4061440215311. The next prime is 4061440215377. The reversal of 4061440215321 is 1235120441604.

It is a happy number.

It is not a de Polignac number, because 4061440215321 - 2¹⁷ = 4061440084249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4061440215311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48628005 + ... + 48711453.

It is an arithmetic number, because the mean of its divisors is an integer number (338954873400).

Almost surely, 2^{4061440215321} is an apocalyptic number.

It is an amenable number.

4061440215321 is a deficient number, since it is larger than the sum of its proper divisors (1361837759079).

4061440215321 is a wasteful number, since it uses less digits than its factorization.

4061440215321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107296.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 4061440215321 its reverse (1235120441604), we get a palindrome (5296560656925).

The spelling of 4061440215321 in words is "four trillion, sixty-one billion, four hundred forty million, two hundred fifteen thousand, three hundred twenty-one".