4240405334321 has 8 divisors (see below), whose sum is σ = 4585538871144. Its totient is φ = 3897978727680.

The previous prime is 4240405334279. The next prime is 4240405334323. The reversal of 4240405334321 is 1234335040424.

It can be written as a sum of positive squares in 4 ways, for example, as 512524321 + 4239892810000 = 22639^2 + 2059100^2 .

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 4240405334321 - 2³⁸ = 3965527427377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240405334323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676729286 + ... + 676735551.

It is an arithmetic number, because the mean of its divisors is an integer number (573192358893).

Almost surely, 2^{4240405334321} is an apocalyptic number.

It is an amenable number.

4240405334321 is a deficient number, since it is larger than the sum of its proper divisors (345133536823).

4240405334321 is a wasteful number, since it uses less digits than its factorization.

4240405334321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353465091.

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 4240405334321 in words is "four trillion, two hundred forty billion, four hundred five million, three hundred thirty-four thousand, three hundred twenty-one".