421240315311441 has 32 divisors (see below), whose sum is σ = 645122944778240. Its totient is φ = 271374648397200.

The previous prime is 421240315311437. The next prime is 421240315311457. The reversal of 421240315311441 is 144113513042124.

421240315311441 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 40 + 31 + 531 + 14 + 41 = 666.

It is not a de Polignac number, because 421240315311441 - 2² = 421240315311437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421240315311396 and 421240315311405.

It is not an unprimeable number, because it can be changed into a prime (421240310311441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363585145 + ... + 364741878.

It is an arithmetic number, because the mean of its divisors is an integer number (20160092024320).

Almost surely, 2^{421240315311441} is an apocalyptic number.

It is an amenable number.

421240315311441 is a deficient number, since it is larger than the sum of its proper divisors (223882629466799).

421240315311441 is a wasteful number, since it uses less digits than its factorization.

421240315311441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728327754 (or 728327748 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 421240315311441 its reverse (144113513042124), we get a palindrome (565353828353565).

The spelling of 421240315311441 in words is "four hundred twenty-one trillion, two hundred forty billion, three hundred fifteen million, three hundred eleven thousand, four hundred forty-one".