421244400411 has 12 divisors (see below), whose sum is σ = 608495880720. Its totient is φ = 280814947920.

The previous prime is 421244400403. The next prime is 421244400427. The reversal of 421244400411 is 114004442124.

It is a happy number.

421244400411 is a `hidden beast` number, since 4 + 2 + 1 + 244 + 4 + 0 + 0 + 411 = 666.

It is not a de Polignac number, because 421244400411 - 2³ = 421244400403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421244400431) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1037500 + ... + 1385241.

It is an arithmetic number, because the mean of its divisors is an integer number (50707990060).

Almost surely, 2^421244400411 is an apocalyptic number.

421244400411 is a deficient number, since it is larger than the sum of its proper divisors (187251480309).

421244400411 is a wasteful number, since it uses less digits than its factorization.

421244400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442066 (or 2442063 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 421244400411 its reverse (114004442124), we get a palindrome (535248842535).

The spelling of 421244400411 in words is "four hundred twenty-one billion, two hundred forty-four million, four hundred thousand, four hundred eleven".