440411772242 has 18 divisors (see below), whose sum is σ = 715363199343. Its totient is φ = 203261340672.

The previous prime is 440411772223. The next prime is 440411772323. The reversal of 440411772242 is 242277114044.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 207388801 + 440204383441 = 14401^2 + 663479^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=469261.

It is a super-3 number, since 3×440411772242³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440411772196 and 440411772205.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12182738 + ... + 12218834.

Almost surely, 2^440411772242 is an apocalyptic number.

440411772242 is a deficient number, since it is larger than the sum of its proper divisors (274951427101).

440411772242 is an frugal number, since it uses more digits than its factorization.

440411772242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72222 (or 36112 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

Adding to 440411772242 its reverse (242277114044), we get a palindrome (682688886286).

The spelling of 440411772242 in words is "four hundred forty billion, four hundred eleven million, seven hundred seventy-two thousand, two hundred forty-two".