401404033 has 8 divisors (see below), whose sum is σ = 410301288. Its totient is φ = 392555904.

The previous prime is 401404007. The next prime is 401404037. The reversal of 401404033 is 330404104.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 401321089 = 288^2 + 20033^2 .

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 401404033 - 2⁵ = 401404001 is a prime.

It is a super-2 number, since 2×401404033² = 322250395417330178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401404033.

It is not an unprimeable number, because it can be changed into a prime (401404037) 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, 4491 + ... + 28687.

It is an arithmetic number, because the mean of its divisors is an integer number (51287661).

Almost surely, 2^401404033 is an apocalyptic number.

It is an amenable number.

401404033 is a deficient number, since it is larger than the sum of its proper divisors (8897255).

401404033 is a wasteful number, since it uses less digits than its factorization.

401404033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24563.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401404033 is about 20035.0700772421. The cubic root of 401404033 is about 737.6673766617.

Adding to 401404033 its reverse (330404104), we get a palindrome (731808137).

The spelling of 401404033 in words is "four hundred one million, four hundred four thousand, thirty-three".