401144255 has 4 divisors (see below), whose sum is σ = 481373112. Its totient is φ = 320915400.

The previous prime is 401144231. The next prime is 401144267. The reversal of 401144255 is 552441104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401144255 - 2²⁰ = 400095679 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 40114421 + ... + 40114430.

It is an arithmetic number, because the mean of its divisors is an integer number (120343278).

Almost surely, 2^401144255 is an apocalyptic number.

401144255 is a deficient number, since it is larger than the sum of its proper divisors (80228857).

401144255 is an equidigital number, since it uses as much as digits as its factorization.

401144255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80228856.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 401144255 is about 20028.5859460922. The cubic root of 401144255 is about 737.5082094270.

Adding to 401144255 its reverse (552441104), we get a palindrome (953585359).

The spelling of 401144255 in words is "four hundred one million, one hundred forty-four thousand, two hundred fifty-five".