43445235000000 has 224 divisors, whose sum is σ = 143685745444800. Its totient is φ = 11585392000000.

The previous prime is 43445234999963. The next prime is 43445235000023. The reversal of 43445235000000 is 53254434.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13551826 + ... + 16448174.

Almost surely, 2^{43445235000000} is an apocalyptic number.

43445235000000 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 43445235000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71842872722400).

43445235000000 is an abundant number, since it is smaller than the sum of its proper divisors (100240510444800).

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

43445235000000 is an frugal number, since it uses more digits than its factorization.

43445235000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896399 (or 2896359 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 43445235000000 its reverse (53254434), we get a palindrome (43445288254434).

The spelling of 43445235000000 in words is "forty-three trillion, four hundred forty-five billion, two hundred thirty-five million", and thus it is an aban number.