401311366 has 8 divisors (see below), whose sum is σ = 602056944. Its totient is φ = 200625720.

The previous prime is 401311363. The next prime is 401311409. The reversal of 401311366 is 663113104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401311366² = 322101624961571912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401311366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401311363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10276 + ... + 30136.

It is an arithmetic number, because the mean of its divisors is an integer number (75257118).

Almost surely, 2^401311366 is an apocalyptic number.

401311366 is a deficient number, since it is larger than the sum of its proper divisors (200745578).

401311366 is a wasteful number, since it uses less digits than its factorization.

401311366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29966.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 401311366 is about 20032.7573239432. The cubic root of 401311366 is about 737.6106070247.

The spelling of 401311366 in words is "four hundred one million, three hundred eleven thousand, three hundred sixty-six".