1444984668 has 36 divisors (see below), whose sum is σ = 3675879480. Its totient is φ = 478591776.

The previous prime is 1444984663. The next prime is 1444984669. The reversal of 1444984668 is 8664894441.

1444984668 is a `hidden beast` number, since 144 + 498 + 4 + 6 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444984663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122178 + ... + 133481.

Almost surely, 2^1444984668 is an apocalyptic number.

1444984668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1444984668 is an abundant number, since it is smaller than the sum of its proper divisors (2230894812).

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

1444984668 is a wasteful number, since it uses less digits than its factorization.

1444984668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255826 (or 255821 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 1444984668 is about 38012.9539499366. The cubic root of 1444984668 is about 1130.5447207965.

The spelling of 1444984668 in words is "one billion, four hundred forty-four million, nine hundred eighty-four thousand, six hundred sixty-eight".