402443432201 has 8 divisors (see below), whose sum is σ = 403007688360. Its totient is φ = 401879342592.

The previous prime is 402443432179. The next prime is 402443432323. The reversal of 402443432201 is 102234344204.

It can be written as a sum of positive squares in 4 ways, for example, as 155195814601 + 247247617600 = 393949^2 + 497240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402443432201 - 2¹⁴ = 402443415817 is a prime.

It is a super-2 number, since 2×402443432201² (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 (402443402201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5263421 + ... + 5339333.

It is an arithmetic number, because the mean of its divisors is an integer number (50375961045).

Almost surely, 2^402443432201 is an apocalyptic number.

It is an amenable number.

402443432201 is a deficient number, since it is larger than the sum of its proper divisors (564256159).

402443432201 is an equidigital number, since it uses as much as digits as its factorization.

402443432201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83275.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 402443432201 its reverse (102234344204), we get a palindrome (504677776405).

The spelling of 402443432201 in words is "four hundred two billion, four hundred forty-three million, four hundred thirty-two thousand, two hundred one".