43255632 has 120 divisors (see below), whose sum is σ = 132821856. Its totient is φ = 12090624.

The previous prime is 43255631. The next prime is 43255657. The reversal of 43255632 is 23655234.

It is a self number, because there is not a number n which added to its sum of digits gives 43255632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43255631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124483 + ... + 124829.

Almost surely, 2^43255632 is an apocalyptic number.

43255632 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 43255632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66410928).

43255632 is an abundant number, since it is smaller than the sum of its proper divisors (89566224).

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

43255632 is a wasteful number, since it uses less digits than its factorization.

43255632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 412 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 43255632 is about 6576.9013980749. The cubic root of 43255632 is about 351.0326833796.

The spelling of 43255632 in words is "forty-three million, two hundred fifty-five thousand, six hundred thirty-two".