440502152 has 8 divisors (see below), whose sum is σ = 825941550. Its totient is φ = 220251072.

The previous prime is 440502151. The next prime is 440502173. The reversal of 440502152 is 251205044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 319193956 + 121308196 = 17866^2 + 11014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×440502152² = 388084291833262208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440502151) by changing a digit.

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 as a sum of consecutive naturals, namely, 27531377 + ... + 27531392.

Almost surely, 2^440502152 is an apocalyptic number.

It is an amenable number.

440502152 is a deficient number, since it is larger than the sum of its proper divisors (385439398).

440502152 is a wasteful number, since it uses less digits than its factorization.

440502152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55062775 (or 55062771 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 440502152 is about 20988.1431289192. The cubic root of 440502152 is about 760.8797246030.

Adding to 440502152 its reverse (251205044), we get a palindrome (691707196).

The spelling of 440502152 in words is "four hundred forty million, five hundred two thousand, one hundred fifty-two".