440246030 has 16 divisors (see below), whose sum is σ = 905649120. Its totient is φ = 150941472.

The previous prime is 440245969. The next prime is 440246047. The reversal of 440246030 is 30642044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440245987 and 440246005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144545 + ... + 3144684.

It is an arithmetic number, because the mean of its divisors is an integer number (56603070).

Almost surely, 2^440246030 is an apocalyptic number.

440246030 is an abundant number, since it is smaller than the sum of its proper divisors (465403090).

440246030 is a wasteful number, since it uses less digits than its factorization.

440246030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289243.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 440246030 is about 20982.0406538544. The cubic root of 440246030 is about 760.7322294337.

Adding to 440246030 its reverse (30642044), we get a palindrome (470888074).

The spelling of 440246030 in words is "four hundred forty million, two hundred forty-six thousand, thirty".