1444442900 has 18 divisors (see below), whose sum is σ = 3134441310. Its totient is φ = 577777120.

The previous prime is 1444442891. The next prime is 1444442917. The reversal of 1444442900 is 92444441.

It can be written as a sum of positive squares in 3 ways, for example, as 251983876 + 1192459024 = 15874^2 + 34532^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 7222115 + ... + 7222314.

Almost surely, 2^1444442900 is an apocalyptic number.

1444442900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444442900 is an abundant number, since it is smaller than the sum of its proper divisors (1689998410).

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

1444442900 is a wasteful number, since it uses less digits than its factorization.

1444442900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444443 (or 14444436 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1444442900 is about 38005.8271847884. The cubic root of 1444442900 is about 1130.4034114504.

The spelling of 1444442900 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, nine hundred".