1446998644 has 24 divisors (see below), whose sum is σ = 3116613248. Its totient is φ = 572438880.

The previous prime is 1446998611. The next prime is 1446998647. The reversal of 1446998644 is 4468996441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446998647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987272 + ... + 1987999.

Almost surely, 2^1446998644 is an apocalyptic number.

1446998644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1446998644 is an abundant number, since it is smaller than the sum of its proper divisors (1669614604).

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

1446998644 is a wasteful number, since it uses less digits than its factorization.

1446998644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975295 (or 3975293 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The square root of 1446998644 is about 38039.4353796162. The cubic root of 1446998644 is about 1131.0697166628.

The spelling of 1446998644 in words is "one billion, four hundred forty-six million, nine hundred ninety-eight thousand, six hundred forty-four".