440243241040 has 160 divisors (see below), whose sum is σ = 1076952070656. Its totient is φ = 167046021120.

The previous prime is 440243241037. The next prime is 440243241047. The reversal of 440243241040 is 40142342044.

It is a super-2 number, since 2×440243241040² (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 (440243241047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113962149 + ... + 113966011.

Almost surely, 2^440243241040 is an apocalyptic number.

440243241040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440243241040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538476035328).

440243241040 is an abundant number, since it is smaller than the sum of its proper divisors (636708829616).

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

440243241040 is a wasteful number, since it uses less digits than its factorization.

440243241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440243241040 its reverse (40142342044), we get a palindrome (480385583084).

The spelling of 440243241040 in words is "four hundred forty billion, two hundred forty-three million, two hundred forty-one thousand, forty".