43134940800 has 768 divisors, whose sum is σ = 183072211200. Its totient is φ = 9714401280.

The previous prime is 43134940787. The next prime is 43134940801. The reversal of 43134940800 is 804943134.

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

It is not an unprimeable number, because it can be changed into a prime (43134940801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44149912 + ... + 44150888.

It is an arithmetic number, because the mean of its divisors is an integer number (238375275).

Almost surely, 2^43134940800 is an apocalyptic number.

43134940800 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 43134940800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91536105600).

43134940800 is an abundant number, since it is smaller than the sum of its proper divisors (139937270400).

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

43134940800 is a wasteful number, since it uses less digits than its factorization.

43134940800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 43134940800 in words is "forty-three billion, one hundred thirty-four million, nine hundred forty thousand, eight hundred".