401244311 has 8 divisors (see below), whose sum is σ = 441303744. Its totient is φ = 362498400.

The previous prime is 401244301. The next prime is 401244313. The reversal of 401244311 is 113442104.

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 401244311 - 2²² = 397050007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401244313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327740 + ... + 328961.

It is an arithmetic number, because the mean of its divisors is an integer number (55162968).

Almost surely, 2^401244311 is an apocalyptic number.

401244311 is a deficient number, since it is larger than the sum of its proper divisors (40059433).

401244311 is a wasteful number, since it uses less digits than its factorization.

401244311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656761.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 401244311 is about 20031.0836202139. The cubic root of 401244311 is about 737.5695223554.

Adding to 401244311 its reverse (113442104), we get a palindrome (514686415).

The spelling of 401244311 in words is "four hundred one million, two hundred forty-four thousand, three hundred eleven".