401505205 has 8 divisors (see below), whose sum is σ = 488997792. Its totient is φ = 316409808.

The previous prime is 401505197. The next prime is 401505217. The reversal of 401505205 is 502505104.

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 401505205 - 2³ = 401505197 is a prime.

It is a super-2 number, since 2×401505205² = 322412859284184050, 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 7 ways as a sum of consecutive naturals, for example, 598927 + ... + 599596.

It is an arithmetic number, because the mean of its divisors is an integer number (61124724).

Almost surely, 2^401505205 is an apocalyptic number.

It is an amenable number.

401505205 is a deficient number, since it is larger than the sum of its proper divisors (87492587).

401505205 is a wasteful number, since it uses less digits than its factorization.

401505205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198595.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 401505205 is about 20037.5947907926. The cubic root of 401505205 is about 737.7293466541.

The spelling of 401505205 in words is "four hundred one million, five hundred five thousand, two hundred five".