401421000213 has 24 divisors (see below), whose sum is σ = 605259682560. Its totient is φ = 256071372480.

The previous prime is 401421000209. The next prime is 401421000259. The reversal of 401421000213 is 312000124104.

401421000213 is a `hidden beast` number, since 401 + 42 + 10 + 0 + 0 + 213 = 666.

It is not a de Polignac number, because 401421000213 - 2² = 401421000209 is a prime.

It is a super-2 number, since 2×401421000213² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401421000283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8058231 + ... + 8107892.

It is an arithmetic number, because the mean of its divisors is an integer number (25219153440).

Almost surely, 2^401421000213 is an apocalyptic number.

It is an amenable number.

401421000213 is a deficient number, since it is larger than the sum of its proper divisors (203838682347).

401421000213 is a wasteful number, since it uses less digits than its factorization.

401421000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166249 (or 16166246 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 401421000213 its reverse (312000124104), we get a palindrome (713421124317).

The spelling of 401421000213 in words is "four hundred one billion, four hundred twenty-one million, two hundred thirteen", and thus it is an aban number.