440245252 has 6 divisors (see below), whose sum is σ = 770429198. Its totient is φ = 220122624.

The previous prime is 440245237. The next prime is 440245283. The reversal of 440245252 is 252542044.

It can be written as a sum of positive squares in only one way, i.e., 243796996 + 196448256 = 15614^2 + 14016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 440245252.

It is an unprimeable number.

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, 55030653 + ... + 55030660.

Almost surely, 2^440245252 is an apocalyptic number.

It is an amenable number.

440245252 is a deficient number, since it is larger than the sum of its proper divisors (330183946).

440245252 is a wasteful number, since it uses less digits than its factorization.

440245252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110061317 (or 110061315 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 440245252 is about 20982.0221141815. The cubic root of 440245252 is about 760.7317813131.

Adding to 440245252 its reverse (252542044), we get a palindrome (692787296).

The spelling of 440245252 in words is "four hundred forty million, two hundred forty-five thousand, two hundred fifty-two".