3401420044421 has 16 divisors (see below), whose sum is σ = 3975710169600. Its totient is φ = 2849400153600.

The previous prime is 3401420044403. The next prime is 3401420044423. The reversal of 3401420044421 is 1244400241043.

It is a de Polignac number, because none of the positive numbers 2^k-3401420044421 is a prime.

It is a super-2 number, since 2×3401420044421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401420044423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143596 + ... + 7604853.

It is an arithmetic number, because the mean of its divisors is an integer number (248481885600).

Almost surely, 2^{3401420044421} is an apocalyptic number.

It is an amenable number.

3401420044421 is a deficient number, since it is larger than the sum of its proper divisors (574290125179).

3401420044421 is a wasteful number, since it uses less digits than its factorization.

3401420044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749204.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 3401420044421 its reverse (1244400241043), we get a palindrome (4645820285464).

The spelling of 3401420044421 in words is "three trillion, four hundred one billion, four hundred twenty million, forty-four thousand, four hundred twenty-one".