440424244242 has 32 divisors (see below), whose sum is σ = 980349101760. Its totient is φ = 146563797600.

The previous prime is 440424244231. The next prime is 440424244283. The reversal of 440424244242 is 242442424044.

440424244242 is a `hidden beast` number, since 4 + 404 + 2 + 4 + 2 + 4 + 4 + 242 = 666.

It is a super-2 number, since 2×440424244242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440424244197 and 440424244206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6752908 + ... + 6817815.

It is an arithmetic number, because the mean of its divisors is an integer number (30635909430).

Almost surely, 2^440424244242 is an apocalyptic number.

440424244242 is an abundant number, since it is smaller than the sum of its proper divisors (539924857518).

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

440424244242 is a wasteful number, since it uses less digits than its factorization.

440424244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571335 (or 13571329 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 440424244242 its reverse (242442424044), we get a palindrome (682866668286).

The spelling of 440424244242 in words is "four hundred forty billion, four hundred twenty-four million, two hundred forty-four thousand, two hundred forty-two".