402312132533 has 4 divisors (see below), whose sum is σ = 405248717580. Its totient is φ = 399375547488.

The previous prime is 402312132451. The next prime is 402312132539. The reversal of 402312132533 is 335231213204.

It is a happy number.

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 243253144849 + 159058987684 = 493207^2 + 398822^2 .

It is a cyclic number.

It is not a de Polignac number, because 402312132533 - 2³⁴ = 385132263349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402312132496 and 402312132505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402312132539) 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, 1468292318 + ... + 1468292591.

It is an arithmetic number, because the mean of its divisors is an integer number (101312179395).

Almost surely, 2^402312132533 is an apocalyptic number.

It is an amenable number.

402312132533 is a deficient number, since it is larger than the sum of its proper divisors (2936585047).

402312132533 is a wasteful number, since it uses less digits than its factorization.

402312132533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936585046.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 402312132533 its reverse (335231213204), we get a palindrome (737543345737).

The spelling of 402312132533 in words is "four hundred two billion, three hundred twelve million, one hundred thirty-two thousand, five hundred thirty-three".