43271230464 has 792 divisors, whose sum is σ = 164254162176. Its totient is φ = 10838016000.

The previous prime is 43271230441. The next prime is 43271230469. The reversal of 43271230464 is 46403217234.

It is a tau number, because it is divible by the number of its divisors (792).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43271230469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 153990004 + ... + 153990284.

Almost surely, 2^43271230464 is an apocalyptic number.

43271230464 is a gapful number since it is divisible by the number (44) 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 43271230464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82127081088).

43271230464 is an abundant number, since it is smaller than the sum of its proper divisors (120982931712).

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

43271230464 is a wasteful number, since it uses less digits than its factorization.

43271230464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 43271230464 its reverse (46403217234), we get a palindrome (89674447698).

The spelling of 43271230464 in words is "forty-three billion, two hundred seventy-one million, two hundred thirty thousand, four hundred sixty-four".