43424731020000 has 480 divisors, whose sum is σ = 155511811090944. Its totient is φ = 10519027200000.

The previous prime is 43424731019903. The next prime is 43424731020007. The reversal of 43424731020000 is 2013742434.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 43424731020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43424731020007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 871835097 + ... + 871884903.

Almost surely, 2^{43424731020000} is an apocalyptic number.

43424731020000 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 43424731020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77755905545472).

43424731020000 is an abundant number, since it is smaller than the sum of its proper divisors (112087080070944).

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

43424731020000 is a wasteful number, since it uses less digits than its factorization.

43424731020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51172 (or 51149 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 43424731020000 its reverse (2013742434), we get a palindrome (43426744762434).

The spelling of 43424731020000 in words is "forty-three trillion, four hundred twenty-four billion, seven hundred thirty-one million, twenty thousand".