402144434333 has 4 divisors (see below), whose sum is σ = 402148100928. Its totient is φ = 402140767740.

The previous prime is 402144434309. The next prime is 402144434339. The reversal of 402144434333 is 333434441204.

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 402144434333 - 2¹⁰ = 402144433309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402144434293 and 402144434302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144434339) 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, 1663541 + ... + 1889882.

It is an arithmetic number, because the mean of its divisors is an integer number (100537025232).

Almost surely, 2^402144434333 is an apocalyptic number.

It is an amenable number.

402144434333 is a deficient number, since it is larger than the sum of its proper divisors (3666595).

402144434333 is a wasteful number, since it uses less digits than its factorization.

402144434333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666594.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 402144434333 its reverse (333434441204), we get a palindrome (735578875537).

The spelling of 402144434333 in words is "four hundred two billion, one hundred forty-four million, four hundred thirty-four thousand, three hundred thirty-three".