440242242 has 32 divisors (see below), whose sum is σ = 961277760. Its totient is φ = 133302720.

The previous prime is 440242223. The next prime is 440242249. The reversal of 440242242 is 242242044.

It is not an unprimeable number, because it can be changed into a prime (440242249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149884 + ... + 152792.

It is an arithmetic number, because the mean of its divisors is an integer number (30039930).

Almost surely, 2^440242242 is an apocalyptic number.

440242242 is an abundant number, since it is smaller than the sum of its proper divisors (521035518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440242242 is a wasteful number, since it uses less digits than its factorization.

440242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 440242242 is about 20981.9503859865. The cubic root of 440242242 is about 760.7300475765.

Adding to 440242242 its reverse (242242044), we get a palindrome (682484286).

The spelling of 440242242 in words is "four hundred forty million, two hundred forty-two thousand, two hundred forty-two".