1440414225 has 96 divisors (see below), whose sum is σ = 2876006400. Its totient is φ = 704116800.

The previous prime is 1440414223. The next prime is 1440414247. The reversal of 1440414225 is 5224140441.

It is not a de Polignac number, because 1440414225 - 2¹ = 1440414223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1440414223) 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 in 95 ways as a sum of consecutive naturals, for example, 395764 + ... + 399386.

It is an arithmetic number, because the mean of its divisors is an integer number (29958400).

Almost surely, 2^1440414225 is an apocalyptic number.

1440414225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1440414225 is a deficient number, since it is larger than the sum of its proper divisors (1435592175).

1440414225 is a wasteful number, since it uses less digits than its factorization.

1440414225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1440414225 is about 37952.7894231768. The cubic root of 1440414225 is about 1129.3515022347.

Adding to 1440414225 its reverse (5224140441), we get a palindrome (6664554666).

The spelling of 1440414225 in words is "one billion, four hundred forty million, four hundred fourteen thousand, two hundred twenty-five".