440202134242 has 8 divisors (see below), whose sum is σ = 711095755356. Its totient is φ = 203170215792.

The previous prime is 440202134237. The next prime is 440202134293. The reversal of 440202134242 is 242431202044.

It can be written as a sum of positive squares in 2 ways, for example, as 410559281001 + 29642853241 = 640749^2 + 172171^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 440202134242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465425633 + ... + 8465425684.

Almost surely, 2^440202134242 is an apocalyptic number.

440202134242 is a deficient number, since it is larger than the sum of its proper divisors (270893621114).

440202134242 is a wasteful number, since it uses less digits than its factorization.

440202134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16930851332.

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

Adding to 440202134242 its reverse (242431202044), we get a palindrome (682633336286).

The spelling of 440202134242 in words is "four hundred forty billion, two hundred two million, one hundred thirty-four thousand, two hundred forty-two".