440266117544 has 32 divisors (see below), whose sum is σ = 929594154240. Its totient is φ = 193665446400.

The previous prime is 440266117531. The next prime is 440266117547. The reversal of 440266117544 is 445711662044.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 440266117495 and 440266117504.

It is not an unprimeable number, because it can be changed into a prime (440266117547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80691209 + ... + 80696664.

It is an arithmetic number, because the mean of its divisors is an integer number (29049817320).

Almost surely, 2^440266117544 is an apocalyptic number.

440266117544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440266117544 is an abundant number, since it is smaller than the sum of its proper divisors (489328036696).

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

440266117544 is a wasteful number, since it uses less digits than its factorization.

440266117544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161387921 (or 161387917 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

Adding to 440266117544 its reverse (445711662044), we get a palindrome (885977779588).

The spelling of 440266117544 in words is "four hundred forty billion, two hundred sixty-six million, one hundred seventeen thousand, five hundred forty-four".