440421300 has 180 divisors, whose sum is σ = 1557775296. Its totient is φ = 106747200.

The previous prime is 440421283. The next prime is 440421301. The reversal of 440421300 is 3124044.

It is a tau number, because it is divible by the number of its divisors (180).

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 (440421301) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 86629 + ... + 91571.

Almost surely, 2^440421300 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 440421300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778887648).

440421300 is an abundant number, since it is smaller than the sum of its proper divisors (1117353996).

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

440421300 is a wasteful number, since it uses less digits than its factorization.

440421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 440421300 is about 20986.2169053882. The cubic root of 440421300 is about 760.8331698462.

Adding to 440421300 its reverse (3124044), we get a palindrome (443545344).

The spelling of 440421300 in words is "four hundred forty million, four hundred twenty-one thousand, three hundred".