4021400340322 has 8 divisors (see below), whose sum is σ = 6032114140716. Its totient is φ = 2010695626752.

The previous prime is 4021400340277. The next prime is 4021400340361. The reversal of 4021400340322 is 2230430041204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3938720513641 + 82679826681 = 1984621^2 + 287541^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1029463 + ... + 3017050.

Almost surely, 2^{4021400340322} is an apocalyptic number.

4021400340322 is a deficient number, since it is larger than the sum of its proper divisors (2010713800394).

4021400340322 is a wasteful number, since it uses less digits than its factorization.

4021400340322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543412.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 4021400340322 its reverse (2230430041204), we get a palindrome (6251830381526).

The spelling of 4021400340322 in words is "four trillion, twenty-one billion, four hundred million, three hundred forty thousand, three hundred twenty-two".