43940572032 has 256 divisors, whose sum is σ = 137088000000. Its totient is φ = 12464621568.

The previous prime is 43940572021. The next prime is 43940572051. The reversal of 43940572032 is 23027504934.

43940572032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19623969 + ... + 19626207.

It is an arithmetic number, because the mean of its divisors is an integer number (535500000).

Almost surely, 2^43940572032 is an apocalyptic number.

43940572032 is a gapful number since it is divisible by the number (42) 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 43940572032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68544000000).

43940572032 is an abundant number, since it is smaller than the sum of its proper divisors (93147427968).

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

43940572032 is a wasteful number, since it uses less digits than its factorization.

43940572032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 43940572032 in words is "forty-three billion, nine hundred forty million, five hundred seventy-two thousand, thirty-two".