440242023452 has 24 divisors (see below), whose sum is σ = 960528051840. Its totient is φ = 171522866160.

The previous prime is 440242023451. The next prime is 440242023467. The reversal of 440242023452 is 254320242044.

It is a super-2 number, since 2×440242023452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440242023451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714678302 + ... + 714678917.

It is an arithmetic number, because the mean of its divisors is an integer number (40022002160).

Almost surely, 2^440242023452 is an apocalyptic number.

It is an amenable number.

440242023452 is an abundant number, since it is smaller than the sum of its proper divisors (520286028388).

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

440242023452 is a wasteful number, since it uses less digits than its factorization.

440242023452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429357241 (or 1429357239 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 440242023452 its reverse (254320242044), we get a palindrome (694562265496).

The spelling of 440242023452 in words is "four hundred forty billion, two hundred forty-two million, twenty-three thousand, four hundred fifty-two".