440235000 has 200 divisors, whose sum is σ = 1542256320. Its totient is φ = 117288000.

The previous prime is 440234981. The next prime is 440235007. The reversal of 440235000 is 532044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

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 (440235007) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 404457 + ... + 405543.

Almost surely, 2^440235000 is an apocalyptic number.

440235000 is a gapful number since it is divisible by the number (40) 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 440235000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771128160).

440235000 is an abundant number, since it is smaller than the sum of its proper divisors (1102021320).

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

440235000 is a wasteful number, since it uses less digits than its factorization.

440235000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1097 counting only the distinct ones).

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

The square root of 440235000 is about 20981.7778083746. Note that the first 3 decimals coincide. The cubic root of 440235000 is about 760.7258762085.

Adding to 440235000 its reverse (532044), we get a palindrome (440767044).

The spelling of 440235000 in words is "four hundred forty million, two hundred thirty-five thousand".