1444442886 has 24 divisors (see below), whose sum is σ = 3173708304. Its totient is φ = 474699120.

The previous prime is 1444442837. The next prime is 1444442891. The reversal of 1444442886 is 6882444441.

1444442886 is a `hidden beast` number, since 144 + 4 + 4 + 428 + 86 = 666.

It is a super-3 number, since 3×1444442886³ (a number of 28 digits) contains 333 as substring.

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 11 ways as a sum of consecutive naturals, for example, 563841 + ... + 566396.

It is an arithmetic number, because the mean of its divisors is an integer number (132237846).

Almost surely, 2^1444442886 is an apocalyptic number.

1444442886 is an abundant number, since it is smaller than the sum of its proper divisors (1729265418).

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

1444442886 is a wasteful number, since it uses less digits than its factorization.

1444442886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130316 (or 1130313 counting only the distinct ones).

The product of its digits is 786432, while the sum is 45.

The square root of 1444442886 is about 38005.8270006061. The cubic root of 1444442886 is about 1130.4034077983.

The spelling of 1444442886 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, eight hundred eighty-six".