20440114440 has 64 divisors (see below), whose sum is σ = 61516368000. Its totient is φ = 5433272832.

The previous prime is 20440114417. The next prime is 20440114459. The reversal of 20440114440 is 4441104402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20440114440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234540 + ... + 309659.

It is an arithmetic number, because the mean of its divisors is an integer number (961193250).

Almost surely, 2^20440114440 is an apocalyptic number.

20440114440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20440114440 is an abundant number, since it is smaller than the sum of its proper divisors (41076253560).

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

20440114440 is a wasteful number, since it uses less digits than its factorization.

20440114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544526 (or 544522 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20440114440 its reverse (4441104402), we get a palindrome (24881218842).

The spelling of 20440114440 in words is "twenty billion, four hundred forty million, one hundred fourteen thousand, four hundred forty".