43532012064 has 96 divisors (see below), whose sum is σ = 121090588416. Its totient is φ = 13646131200.

The previous prime is 43532012063. The next prime is 43532012087. The reversal of 43532012064 is 46021023534.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (43532012063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155614 + ... + 2175714.

It is an arithmetic number, because the mean of its divisors is an integer number (1261360296).

Almost surely, 2^43532012064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43532012064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60545294208).

43532012064 is an abundant number, since it is smaller than the sum of its proper divisors (77558576352).

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

43532012064 is a wasteful number, since it uses less digits than its factorization.

43532012064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21458 (or 21450 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 43532012064 its reverse (46021023534), we get a palindrome (89553035598).

The spelling of 43532012064 in words is "forty-three billion, five hundred thirty-two million, twelve thousand, sixty-four".