401333255 has 8 divisors (see below), whose sum is σ = 482815392. Its totient is φ = 320256288.

The previous prime is 401333249. The next prime is 401333293. The reversal of 401333255 is 552333104.

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 401333255 - 2⁴ = 401333239 is a prime.

It is a super-2 number, since 2×401333255² = 322136763137790050, 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, 99107 + ... + 103076.

It is an arithmetic number, because the mean of its divisors is an integer number (60351924).

Almost surely, 2^401333255 is an apocalyptic number.

401333255 is a deficient number, since it is larger than the sum of its proper divisors (81482137).

401333255 is a wasteful number, since it uses less digits than its factorization.

401333255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202585.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 401333255 is about 20033.3036466779. The cubic root of 401333255 is about 737.6240174473.

Adding to 401333255 its reverse (552333104), we get a palindrome (953666359).

The spelling of 401333255 in words is "four hundred one million, three hundred thirty-three thousand, two hundred fifty-five".