5540041321 has 8 divisors (see below), whose sum is σ = 5695035264. Its totient is φ = 5387185440.

The previous prime is 5540041301. The next prime is 5540041333. The reversal of 5540041321 is 1231400455.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5540041321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5540041301) 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, 529261 + ... + 539626.

It is an arithmetic number, because the mean of its divisors is an integer number (711879408).

Almost surely, 2^5540041321 is an apocalyptic number.

It is an amenable number.

5540041321 is a deficient number, since it is larger than the sum of its proper divisors (154993943).

5540041321 is a wasteful number, since it uses less digits than its factorization.

5540041321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069031.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5540041321 is about 74431.4538417731. The cubic root of 5540041321 is about 1769.4474448524.

Adding to 5540041321 its reverse (1231400455), we get a palindrome (6771441776).

It can be divided in two parts, 55400 and 41321, that added together give a square (96721 = 311²).

The spelling of 5540041321 in words is "five billion, five hundred forty million, forty-one thousand, three hundred twenty-one".