43225452032 has 80 divisors (see below), whose sum is σ = 98937096192. Its totient is φ = 18481551360.

The previous prime is 43225452031. The next prime is 43225452047. The reversal of 43225452032 is 23025452234.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43225452032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43225452031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530713 + ... + 1558695.

Almost surely, 2^43225452032 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 43225452032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49468548096).

43225452032 is an abundant number, since it is smaller than the sum of its proper divisors (55711644160).

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

43225452032 is an equidigital number, since it uses as much as digits as its factorization.

43225452032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28439 (or 28423 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 43225452032 in words is "forty-three billion, two hundred twenty-five million, four hundred fifty-two thousand, thirty-two".