44321603366400 has 480 divisors, whose sum is σ = 156531560410368. Its totient is φ = 11015838105600.

The previous prime is 44321603366377. The next prime is 44321603366413. The reversal of 44321603366400 is 466330612344.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66908815 + ... + 67567985.

Almost surely, 2^{44321603366400} is an apocalyptic number.

44321603366400 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 44321603366400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78265780205184).

44321603366400 is an abundant number, since it is smaller than the sum of its proper divisors (112209957043968).

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

44321603366400 is a wasteful number, since it uses less digits than its factorization.

44321603366400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659322 (or 659301 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 44321603366400 its reverse (466330612344), we get a palindrome (44787933978744).

The spelling of 44321603366400 in words is "forty-four trillion, three hundred twenty-one billion, six hundred three million, three hundred sixty-six thousand, four hundred".