401140311 has 16 divisors (see below), whose sum is σ = 628360320. Its totient is φ = 224413920.

The previous prime is 401140307. The next prime is 401140319. The reversal of 401140311 is 113041104.

It is not a de Polignac number, because 401140311 - 2² = 401140307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401140319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467101 + ... + 467958.

It is an arithmetic number, because the mean of its divisors is an integer number (39272520).

Almost surely, 2^401140311 is an apocalyptic number.

401140311 is a deficient number, since it is larger than the sum of its proper divisors (227220009).

401140311 is a wasteful number, since it uses less digits than its factorization.

401140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935086.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 401140311 is about 20028.4874865777. The cubic root of 401140311 is about 737.5057923896.

Adding to 401140311 its reverse (113041104), we get a palindrome (514181415).

The spelling of 401140311 in words is "four hundred one million, one hundred forty thousand, three hundred eleven".