402330241 has 4 divisors (see below), whose sum is σ = 404893012. Its totient is φ = 399767472.

The previous prime is 402330161. The next prime is 402330251. The reversal of 402330241 is 142033204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274730625 + 127599616 = 16575^2 + 11296^2 .

It is a cyclic number.

It is not a de Polignac number, because 402330241 - 2¹¹ = 402328193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402330251) 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, 1281150 + ... + 1281463.

It is an arithmetic number, because the mean of its divisors is an integer number (101223253).

Almost surely, 2^402330241 is an apocalyptic number.

It is an amenable number.

402330241 is a deficient number, since it is larger than the sum of its proper divisors (2562771).

402330241 is a wasteful number, since it uses less digits than its factorization.

402330241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562770.

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

The square root of 402330241 is about 20058.1714271267. The cubic root of 402330241 is about 738.2343105071.

Adding to 402330241 its reverse (142033204), we get a palindrome (544363445).

The spelling of 402330241 in words is "four hundred two million, three hundred thirty thousand, two hundred forty-one".