2001404421355 has 8 divisors (see below), whose sum is σ = 2402351167392. Its totient is φ = 1600679629248.

The previous prime is 2001404421353. The next prime is 2001404421413. The reversal of 2001404421355 is 5531244041002.

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 2001404421355 - 2¹ = 2001404421353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001404421353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55468642 + ... + 55504711.

It is an arithmetic number, because the mean of its divisors is an integer number (300293895924).

Almost surely, 2^{2001404421355} is an apocalyptic number.

2001404421355 is a deficient number, since it is larger than the sum of its proper divisors (400946746037).

2001404421355 is a wasteful number, since it uses less digits than its factorization.

2001404421355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110976965.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2001404421355 its reverse (5531244041002), we get a palindrome (7532648462357).

The spelling of 2001404421355 in words is "two trillion, one billion, four hundred four million, four hundred twenty-one thousand, three hundred fifty-five".