421204000401 has 8 divisors (see below), whose sum is σ = 624005926560. Its totient is φ = 280802666916.

The previous prime is 421204000369. The next prime is 421204000429. The reversal of 421204000401 is 104000402124.

421204000401 is a `hidden beast` number, since 421 + 204 + 0 + 0 + 0 + 40 + 1 = 666.

It is not a de Polignac number, because 421204000401 - 2⁵ = 421204000369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421204007401) 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, 7800074055 + ... + 7800074108.

It is an arithmetic number, because the mean of its divisors is an integer number (78000740820).

Almost surely, 2^421204000401 is an apocalyptic number.

It is an amenable number.

421204000401 is a deficient number, since it is larger than the sum of its proper divisors (202801926159).

421204000401 is a wasteful number, since it uses less digits than its factorization.

421204000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15600148172 (or 15600148166 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 421204000401 its reverse (104000402124), we get a palindrome (525204402525).

The spelling of 421204000401 in words is "four hundred twenty-one billion, two hundred four million, four hundred one", and thus it is an aban number.