402302441 has 4 divisors (see below), whose sum is σ = 405373584. Its totient is φ = 399231300.

The previous prime is 402302437. The next prime is 402302477. The reversal of 402302441 is 144203204.

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 402302441 - 2² = 402302437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402302491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535375 + ... + 1535636.

It is an arithmetic number, because the mean of its divisors is an integer number (101343396).

Almost surely, 2^402302441 is an apocalyptic number.

It is an amenable number.

402302441 is a deficient number, since it is larger than the sum of its proper divisors (3071143).

402302441 is a wasteful number, since it uses less digits than its factorization.

402302441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071142.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402302441 is about 20057.4784307500. The cubic root of 402302441 is about 738.2173067421.

Adding to 402302441 its reverse (144203204), we get a palindrome (546505645).

The spelling of 402302441 in words is "four hundred two million, three hundred two thousand, four hundred forty-one".