440000532 has 48 divisors (see below), whose sum is σ = 1141940800. Its totient is φ = 146512800.

The previous prime is 440000531. The next prime is 440000543. The reversal of 440000532 is 235000044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000531) 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, 152907 + ... + 155757.

Almost surely, 2^440000532 is an apocalyptic number.

It is an amenable number.

440000532 is an abundant number, since it is smaller than the sum of its proper divisors (701940268).

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

440000532 is a wasteful number, since it uses less digits than its factorization.

440000532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 440000532 is about 20976.1896444516. The cubic root of 440000532 is about 760.5907986932.

Adding to 440000532 its reverse (235000044), we get a palindrome (675000576).

The spelling of 440000532 in words is "four hundred forty million, five hundred thirty-two", and thus it is an aban number.