440509382 has 4 divisors (see below), whose sum is σ = 660764076. Its totient is φ = 220254690.

The previous prime is 440509339. The next prime is 440509387. The reversal of 440509382 is 283905044.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440509387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110127344 + ... + 110127347.

It is an arithmetic number, because the mean of its divisors is an integer number (165191019).

Almost surely, 2^440509382 is an apocalyptic number.

440509382 is a deficient number, since it is larger than the sum of its proper divisors (220254694).

440509382 is a wasteful number, since it uses less digits than its factorization.

440509382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220254693.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 440509382 is about 20988.3153683186. The cubic root of 440509382 is about 760.8838873752.

The spelling of 440509382 in words is "four hundred forty million, five hundred nine thousand, three hundred eighty-two".