402133240321 has 16 divisors (see below), whose sum is σ = 422616579840. Its totient is φ = 381909626560.

The previous prime is 402133240319. The next prime is 402133240339. The reversal of 402133240321 is 123042331204.

It is a cyclic number.

It is not a de Polignac number, because 402133240321 - 2¹ = 402133240319 is a prime.

It is a super-2 number, since 2×402133240321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402133243321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701876 + ... + 1923706.

It is an arithmetic number, because the mean of its divisors is an integer number (26413536240).

Almost surely, 2^402133240321 is an apocalyptic number.

It is an amenable number.

402133240321 is a deficient number, since it is larger than the sum of its proper divisors (20483339519).

402133240321 is a wasteful number, since it uses less digits than its factorization.

402133240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222416.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 402133240321 its reverse (123042331204), we get a palindrome (525175571525).

The spelling of 402133240321 in words is "four hundred two billion, one hundred thirty-three million, two hundred forty thousand, three hundred twenty-one".