1444040 has 32 divisors (see below), whose sum is σ = 3500280. Its totient is φ = 532992.

The previous prime is 1444007. The next prime is 1444043. The reversal of 1444040 is 404441.

It can be written as a sum of positive squares in 4 ways, for example, as 630436 + 813604 = 794^2 + 902^2 .

It is not an unprimeable number, because it can be changed into a prime (1444043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 1908.

2^1444040 is an apocalyptic number.

1444040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444040 is an abundant number, since it is smaller than the sum of its proper divisors (2056240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444040 is a wasteful number, since it uses less digits than its factorization.

1444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1444040 is about 1201.6821543154. The cubic root of 1444040 is about 113.0298300133.

Adding to 1444040 its reverse (404441), we get a palindrome (1848481).

It can be divided in two parts, 14440 and 40, that multiplied together give a square (577600 = 760²).

The spelling of 1444040 in words is "one million, four hundred forty-four thousand, forty".