402032044441 has 4 divisors (see below), whose sum is σ = 402425808484. Its totient is φ = 401638280400.

The previous prime is 402032044387. The next prime is 402032044471. The reversal of 402032044441 is 144440230204.

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 334782588816 + 67249455625 = 578604^2 + 259325^2 .

It is a cyclic number.

It is not a de Polignac number, because 402032044441 - 2¹¹ = 402032042393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402032044471) 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, 196880490 + ... + 196882531.

It is an arithmetic number, because the mean of its divisors is an integer number (100606452121).

Almost surely, 2^402032044441 is an apocalyptic number.

It is an amenable number.

402032044441 is a deficient number, since it is larger than the sum of its proper divisors (393764043).

402032044441 is a wasteful number, since it uses less digits than its factorization.

402032044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393764042.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402032044441 its reverse (144440230204), we get a palindrome (546472274645).

The spelling of 402032044441 in words is "four hundred two billion, thirty-two million, forty-four thousand, four hundred forty-one".