1444140200 has 24 divisors (see below), whose sum is σ = 3357626430. Its totient is φ = 577656000.

The previous prime is 1444140193. The next prime is 1444140211. The reversal of 1444140200 is 20414441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1301910724 + 142229476 = 36082^2 + 11926^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3610151 + ... + 3610550.

Almost surely, 2^1444140200 is an apocalyptic number.

1444140200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444140200 is an abundant number, since it is smaller than the sum of its proper divisors (1913486230).

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

1444140200 is a wasteful number, since it uses less digits than its factorization.

1444140200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220717 (or 7220708 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1444140200 is about 38001.8446920673. The cubic root of 1444140200 is about 1130.3244428234.

Adding to 1444140200 its reverse (20414441), we get a palindrome (1464554641).

The spelling of 1444140200 in words is "one billion, four hundred forty-four million, one hundred forty thousand, two hundred".