401332205 has 16 divisors (see below), whose sum is σ = 486280704. Its totient is φ = 317960640.

The previous prime is 401332181. The next prime is 401332213. The reversal of 401332205 is 502233104.

It is a happy number.

It is not a de Polignac number, because 401332205 - 2⁸ = 401331949 is a prime.

It is a super-2 number, since 2×401332205² = 322135077540324050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255332 + ... + 256898.

It is an arithmetic number, because the mean of its divisors is an integer number (30392544).

Almost surely, 2^401332205 is an apocalyptic number.

It is an amenable number.

401332205 is a deficient number, since it is larger than the sum of its proper divisors (84948499).

401332205 is a wasteful number, since it uses less digits than its factorization.

401332205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 401332205 is about 20033.2774402992. The cubic root of 401332205 is about 737.6233741699.

Adding to 401332205 its reverse (502233104), we get a palindrome (903565309).

The spelling of 401332205 in words is "four hundred one million, three hundred thirty-two thousand, two hundred five".