401442433 has 4 divisors (see below), whose sum is σ = 458791360. Its totient is φ = 344093508.

The previous prime is 401442413. The next prime is 401442443. The reversal of 401442433 is 334244104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401442433 - 2⁵ = 401442401 is a prime.

It is a super-2 number, since 2×401442433² = 322312054025918978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401442398 and 401442407.

It is not an unprimeable number, because it can be changed into a prime (401442413) 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, 28674453 + ... + 28674466.

It is an arithmetic number, because the mean of its divisors is an integer number (114697840).

Almost surely, 2^401442433 is an apocalyptic number.

It is an amenable number.

401442433 is a deficient number, since it is larger than the sum of its proper divisors (57348927).

401442433 is an equidigital number, since it uses as much as digits as its factorization.

401442433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57348926.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 401442433 is about 20036.0283739068. The cubic root of 401442433 is about 737.6908987008.

Adding to 401442433 its reverse (334244104), we get a palindrome (735686537).

The spelling of 401442433 in words is "four hundred one million, four hundred forty-two thousand, four hundred thirty-three".