401334200421 has 32 divisors (see below), whose sum is σ = 669064704000. Its totient is φ = 207887878080.

The previous prime is 401334200417. The next prime is 401334200447. The reversal of 401334200421 is 124002433104.

It is not a de Polignac number, because 401334200421 - 2² = 401334200417 is a prime.

It is a super-2 number, since 2×401334200421² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401334200391 and 401334200400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401334200321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2408461 + ... + 2569698.

It is an arithmetic number, because the mean of its divisors is an integer number (20908272000).

Almost surely, 2^401334200421 is an apocalyptic number.

It is an amenable number.

401334200421 is a deficient number, since it is larger than the sum of its proper divisors (267730503579).

401334200421 is a wasteful number, since it uses less digits than its factorization.

401334200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978529.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 401334200421 its reverse (124002433104), we get a palindrome (525336633525).

The spelling of 401334200421 in words is "four hundred one billion, three hundred thirty-four million, two hundred thousand, four hundred twenty-one".