1444442871730 has 64 divisors (see below), whose sum is σ = 2628716986368. Its totient is φ = 571436856000.

The previous prime is 1444442871719. The next prime is 1444442871731. The reversal of 1444442871730 is 371782444441.

It is not an unprimeable number, because it can be changed into a prime (1444442871731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304026855 + ... + 304031605.

It is an arithmetic number, because the mean of its divisors is an integer number (41073702912).

Almost surely, 2^{1444442871730} is an apocalyptic number.

1444442871730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444442871730 is a deficient number, since it is larger than the sum of its proper divisors (1184274114638).

1444442871730 is a wasteful number, since it uses less digits than its factorization.

1444442871730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791.

The product of its (nonzero) digits is 2408448, while the sum is 49.

The spelling of 1444442871730 in words is "one trillion, four hundred forty-four billion, four hundred forty-two million, eight hundred seventy-one thousand, seven hundred thirty".