421404041234401 has 8 divisors (see below), whose sum is σ = 436613185874880. Its totient is φ = 406240094647632.

The previous prime is 421404041234303. The next prime is 421404041234441. The reversal of 421404041234401 is 104432140404124.

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 421404041234401 - 2¹³ = 421404041226209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421404041234441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11299494445 + ... + 11299531738.

It is an arithmetic number, because the mean of its divisors is an integer number (54576648234360).

Almost surely, 2^{421404041234401} is an apocalyptic number.

It is an amenable number.

421404041234401 is a deficient number, since it is larger than the sum of its proper divisors (15209144640479).

421404041234401 is a wasteful number, since it uses less digits than its factorization.

421404041234401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22599026855.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 421404041234401 its reverse (104432140404124), we get a palindrome (525836181638525).

The spelling of 421404041234401 in words is "four hundred twenty-one trillion, four hundred four billion, forty-one million, two hundred thirty-four thousand, four hundred one".