440041522 has 8 divisors (see below), whose sum is σ = 661084416. Its totient is φ = 219680052.

The previous prime is 440041499. The next prime is 440041531. The reversal of 440041522 is 225140044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 440041493 and 440041502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168738 + ... + 171325.

It is an arithmetic number, because the mean of its divisors is an integer number (82635552).

Almost surely, 2^440041522 is an apocalyptic number.

440041522 is a deficient number, since it is larger than the sum of its proper divisors (221042894).

440041522 is a wasteful number, since it uses less digits than its factorization.

440041522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340712.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 440041522 is about 20977.1666818949. The cubic root of 440041522 is about 760.6144165803.

Adding to 440041522 its reverse (225140044), we get a palindrome (665181566).

The spelling of 440041522 in words is "four hundred forty million, forty-one thousand, five hundred twenty-two".