401442303 has 8 divisors (see below), whose sum is σ = 536592816. Its totient is φ = 266960000.

The previous prime is 401442289. The next prime is 401442311. The reversal of 401442303 is 303244104.

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 401442303 - 2⁴ = 401442287 is a prime.

It is a super-2 number, since 2×401442303² = 322311845275887618, 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 401442303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401442323) 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, 165648 + ... + 168053.

It is an arithmetic number, because the mean of its divisors is an integer number (67074102).

Almost surely, 2^401442303 is an apocalyptic number.

401442303 is a deficient number, since it is larger than the sum of its proper divisors (135150513).

401442303 is a wasteful number, since it uses less digits than its factorization.

401442303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334105.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 401442303 is about 20036.0251297507. The cubic root of 401442303 is about 737.6908190714.

Adding to 401442303 its reverse (303244104), we get a palindrome (704686407).

The spelling of 401442303 in words is "four hundred one million, four hundred forty-two thousand, three hundred three".