402335441 has 4 divisors (see below), whose sum is σ = 402918384. Its totient is φ = 401752500.

The previous prime is 402335411. The next prime is 402335467. The reversal of 402335441 is 144533204.

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 402335441 - 2⁶ = 402335377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 402335441.

It is not an unprimeable number, because it can be changed into a prime (402335411) 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, 290435 + ... + 291816.

It is an arithmetic number, because the mean of its divisors is an integer number (100729596).

Almost surely, 2^402335441 is an apocalyptic number.

It is an amenable number.

402335441 is a deficient number, since it is larger than the sum of its proper divisors (582943).

402335441 is an equidigital number, since it uses as much as digits as its factorization.

402335441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582942.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 402335441 is about 20058.3010496901. The cubic root of 402335441 is about 738.2374909804.

Adding to 402335441 its reverse (144533204), we get a palindrome (546868645).

The spelling of 402335441 in words is "four hundred two million, three hundred thirty-five thousand, four hundred forty-one".