44400244424440 has 64 divisors (see below), whose sum is σ = 103350388216320. Its totient is φ = 17155370880000.

The previous prime is 44400244424377. The next prime is 44400244424443. The reversal of 44400244424440 is 4442444200444.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44400244424393 and 44400244424402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400244424443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133860696 + ... + 134191975.

It is an arithmetic number, because the mean of its divisors is an integer number (1614849815880).

Almost surely, 2^{44400244424440} is an apocalyptic number.

44400244424440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44400244424440 is an abundant number, since it is smaller than the sum of its proper divisors (58950143791880).

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

44400244424440 is a wasteful number, since it uses less digits than its factorization.

44400244424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268052824 (or 268052820 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 44400244424440 its reverse (4442444200444), we get a palindrome (48842688624884).

The spelling of 44400244424440 in words is "forty-four trillion, four hundred billion, two hundred forty-four million, four hundred twenty-four thousand, four hundred forty".