1444233340 has 48 divisors (see below), whose sum is σ = 3341417184. Its totient is φ = 519968000.

The previous prime is 1444233331. The next prime is 1444233347. The reversal of 1444233340 is 433324441.

It is a junction number, because it is equal to n+sod(n) for n = 1444233299 and 1444233308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444233347) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 10279 + ... + 54718.

It is an arithmetic number, because the mean of its divisors is an integer number (69612858).

Almost surely, 2^1444233340 is an apocalyptic number.

1444233340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444233340 is an abundant number, since it is smaller than the sum of its proper divisors (1897183844).

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

1444233340 is a wasteful number, since it uses less digits than its factorization.

1444233340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65118 (or 65116 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 1444233340 is about 38003.0701391348. The cubic root of 1444233340 is about 1130.3487424391.

Adding to 1444233340 its reverse (433324441), we get a palindrome (1877557781).

The spelling of 1444233340 in words is "one billion, four hundred forty-four million, two hundred thirty-three thousand, three hundred forty".