1444494814 has 48 divisors (see below), whose sum is σ = 2631895200. Its totient is φ = 592111296.

The previous prime is 1444494809. The next prime is 1444494839. The reversal of 1444494814 is 4184944441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307447 + ... + 312109.

It is an arithmetic number, because the mean of its divisors is an integer number (54831150).

Almost surely, 2^1444494814 is an apocalyptic number.

1444494814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1444494814 is a deficient number, since it is larger than the sum of its proper divisors (1187400386).

1444494814 is a wasteful number, since it uses less digits than its factorization.

1444494814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817 (or 4810 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 1444494814 is about 38006.5101528672. The cubic root of 1444494814 is about 1130.4169537094.

The spelling of 1444494814 in words is "one billion, four hundred forty-four million, four hundred ninety-four thousand, eight hundred fourteen".