1444989470 has 8 divisors (see below), whose sum is σ = 2600981064. Its totient is φ = 577995784.

The previous prime is 1444989461. The next prime is 1444989523. The reversal of 1444989470 is 749894441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 72249464 + ... + 72249483.

It is an arithmetic number, because the mean of its divisors is an integer number (325122633).

Almost surely, 2^1444989470 is an apocalyptic number.

1444989470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444989470 is a deficient number, since it is larger than the sum of its proper divisors (1155991594).

1444989470 is a wasteful number, since it uses less digits than its factorization.

1444989470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144498954.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 1444989470 is about 38013.0171125629. The cubic root of 1444989470 is about 1130.5459731442.

The spelling of 1444989470 in words is "one billion, four hundred forty-four million, nine hundred eighty-nine thousand, four hundred seventy".