40204144321 has 8 divisors (see below), whose sum is σ = 44050593600. Its totient is φ = 36389616240.

The previous prime is 40204144307. The next prime is 40204144327. The reversal of 40204144321 is 12344140204.

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 40204144321 - 2⁵ = 40204144289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40204144327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977661 + ... + 7982698.

It is an arithmetic number, because the mean of its divisors is an integer number (5506324200).

Almost surely, 2^40204144321 is an apocalyptic number.

It is an amenable number.

40204144321 is a deficient number, since it is larger than the sum of its proper divisors (3846449279).

40204144321 is a wasteful number, since it uses less digits than its factorization.

40204144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15960599.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40204144321 its reverse (12344140204), we get a palindrome (52548284525).

The spelling of 40204144321 in words is "forty billion, two hundred four million, one hundred forty-four thousand, three hundred twenty-one".