440030240330 has 8 divisors (see below), whose sum is σ = 792054432612. Its totient is φ = 176012096128.

The previous prime is 440030240281. The next prime is 440030240339. The reversal of 440030240330 is 33042030044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 440021282281 + 8958049 = 663341^2 + 2993^2 .

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

It is a super-2 number, since 2×440030240330² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440030240296 and 440030240305.

It is not an unprimeable number, because it can be changed into a prime (440030240339) 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, 22001512007 + ... + 22001512026.

Almost surely, 2^440030240330 is an apocalyptic number.

440030240330 is a deficient number, since it is larger than the sum of its proper divisors (352024192282).

440030240330 is a wasteful number, since it uses less digits than its factorization.

440030240330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44003024040.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 440030240330 its reverse (33042030044), we get a palindrome (473072270374).

The spelling of 440030240330 in words is "four hundred forty billion, thirty million, two hundred forty thousand, three hundred thirty".