1440410056 has 8 divisors (see below), whose sum is σ = 2700768870. Its totient is φ = 720205024.

The previous prime is 1440410021. The next prime is 1440410057. The reversal of 1440410056 is 6500140441.

It can be written as a sum of positive squares in only one way, i.e., 1404000900 + 36409156 = 37470^2 + 6034^2 .

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

It is a super-2 number, since 2×1440410056² = 4149562258851846272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1440410056.

It is not an unprimeable number, because it can be changed into a prime (1440410057) by changing a digit.

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 as a sum of consecutive naturals, namely, 90025621 + ... + 90025636.

Almost surely, 2^1440410056 is an apocalyptic number.

It is an amenable number.

1440410056 is a deficient number, since it is larger than the sum of its proper divisors (1260358814).

1440410056 is a wasteful number, since it uses less digits than its factorization.

1440410056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180051263 (or 180051259 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1440410056 is about 37952.7344996378. The cubic root of 1440410056 is about 1129.3504126706.

Adding to 1440410056 its reverse (6500140441), we get a palindrome (7940550497).

The spelling of 1440410056 in words is "one billion, four hundred forty million, four hundred ten thousand, fifty-six".