402333441 has 32 divisors (see below), whose sum is σ = 586932480. Its totient is φ = 244168704.

The previous prime is 402333433. The next prime is 402333461. The reversal of 402333441 is 144333204.

It is not a de Polignac number, because 402333441 - 2³ = 402333433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402333401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196300 + ... + 198338.

It is an arithmetic number, because the mean of its divisors is an integer number (18341640).

Almost surely, 2^402333441 is an apocalyptic number.

It is an amenable number.

402333441 is a deficient number, since it is larger than the sum of its proper divisors (184599039).

402333441 is a wasteful number, since it uses less digits than its factorization.

402333441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 402333441 is about 20058.2511949572. The cubic root of 402333441 is about 738.2362677247.

Adding to 402333441 its reverse (144333204), we get a palindrome (546666645).

The spelling of 402333441 in words is "four hundred two million, three hundred thirty-three thousand, four hundred forty-one".