43341221044440 has 384 divisors, whose sum is σ = 155216741209920. Its totient is φ = 10400856576000.

The previous prime is 43341221044427. The next prime is 43341221044477. The reversal of 43341221044440 is 4444012214334.

43341221044440 is a `hidden beast` number, since 43 + 3 + 4 + 122 + 10 + 44 + 440 = 666.

It is a super-2 number, since 2×43341221044440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43341221044395 and 43341221044404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3150478042 + ... + 3150491798.

Almost surely, 2^{43341221044440} is an apocalyptic number.

43341221044440 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 43341221044440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77608370604960).

43341221044440 is an abundant number, since it is smaller than the sum of its proper divisors (111875520165480).

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

43341221044440 is a wasteful number, since it uses less digits than its factorization.

43341221044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763 (or 21756 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 43341221044440 its reverse (4444012214334), we get a palindrome (47785233258774).

The spelling of 43341221044440 in words is "forty-three trillion, three hundred forty-one billion, two hundred twenty-one million, forty-four thousand, four hundred forty".