1444995384 has 32 divisors (see below), whose sum is σ = 4128558720. Its totient is φ = 412855776.

The previous prime is 1444995379. The next prime is 1444995407. The reversal of 1444995384 is 4835994441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300414 + ... + 4300749.

It is an arithmetic number, because the mean of its divisors is an integer number (129017460).

Almost surely, 2^1444995384 is an apocalyptic number.

1444995384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1444995384 is an abundant number, since it is smaller than the sum of its proper divisors (2683563336).

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

1444995384 is a wasteful number, since it uses less digits than its factorization.

1444995384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601179 (or 8601175 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 1444995384 is about 38013.0949016257. The cubic root of 1444995384 is about 1130.5475154945.

The spelling of 1444995384 in words is "one billion, four hundred forty-four million, nine hundred ninety-five thousand, three hundred eighty-four".