40130443321 has 4 divisors (see below), whose sum is σ = 42491057652. Its totient is φ = 37769828992.

The previous prime is 40130443313. The next prime is 40130443337. The reversal of 40130443321 is 12334403104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14698167696 + 25432275625 = 121236^2 + 159475^2 .

It is a cyclic number.

It is not a de Polignac number, because 40130443321 - 2³ = 40130443313 is a prime.

It is a super-2 number, since 2×40130443321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40130443351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180307140 + ... + 1180307173.

It is an arithmetic number, because the mean of its divisors is an integer number (10622764413).

Almost surely, 2^40130443321 is an apocalyptic number.

It is an amenable number.

40130443321 is a deficient number, since it is larger than the sum of its proper divisors (2360614331).

40130443321 is a wasteful number, since it uses less digits than its factorization.

40130443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360614330.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40130443321 its reverse (12334403104), we get a palindrome (52464846425).

The spelling of 40130443321 in words is "forty billion, one hundred thirty million, four hundred forty-three thousand, three hundred twenty-one".