43251163340000 has 480 divisors, whose sum is σ = 133973915023872. Its totient is φ = 13347360000000.

The previous prime is 43251163339963. The next prime is 43251163340003. The reversal of 43251163340000 is 4336115234.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43251163340003) 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, 155400965 + ... + 155679035.

Almost surely, 2^{43251163340000} is an apocalyptic number.

43251163340000 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 43251163340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66986957511936).

43251163340000 is an abundant number, since it is smaller than the sum of its proper divisors (90722751683872).

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

43251163340000 is a wasteful number, since it uses less digits than its factorization.

43251163340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278220 (or 278197 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 43251163340000 its reverse (4336115234), we get a palindrome (43255499455234).

The spelling of 43251163340000 in words is "forty-three trillion, two hundred fifty-one billion, one hundred sixty-three million, three hundred forty thousand".