402442244203 has 4 divisors (see below), whose sum is σ = 402608751480. Its totient is φ = 402275736928.

The previous prime is 402442244189. The next prime is 402442244209. The reversal of 402442244203 is 302442244204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402442244203 - 2³³ = 393852309611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402442244209) 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, 83250013 + ... + 83254846.

It is an arithmetic number, because the mean of its divisors is an integer number (100652187870).

Almost surely, 2^402442244203 is an apocalyptic number.

402442244203 is a deficient number, since it is larger than the sum of its proper divisors (166507277).

402442244203 is a wasteful number, since it uses less digits than its factorization.

402442244203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166507276.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 402442244203 its reverse (302442244204), we get a palindrome (704884488407).

Subtracting from 402442244203 its reverse (302442244204), we obtain a palindrome (99999999999).

The spelling of 402442244203 in words is "four hundred two billion, four hundred forty-two million, two hundred forty-four thousand, two hundred three".