44323421553240 has 192 divisors, whose sum is σ = 137441958559200. Its totient is φ = 11434642421760.

The previous prime is 44323421553233. The next prime is 44323421553277. The reversal of 44323421553240 is 4235512432344.

It is a junction number, because it is equal to n+sod(n) for n = 44323421553192 and 44323421553201.

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, 370001994 + ... + 370121766.

Almost surely, 2^{44323421553240} is an apocalyptic number.

44323421553240 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 44323421553240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68720979279600).

44323421553240 is an abundant number, since it is smaller than the sum of its proper divisors (93118537005960).

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

44323421553240 is a wasteful number, since it uses less digits than its factorization.

44323421553240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123058 (or 123023 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 44323421553240 its reverse (4235512432344), we get a palindrome (48558933985584).

The spelling of 44323421553240 in words is "forty-four trillion, three hundred twenty-three billion, four hundred twenty-one million, five hundred fifty-three thousand, two hundred forty".