1444842890 has 16 divisors (see below), whose sum is σ = 2603380608. Its totient is φ = 577345296.

The previous prime is 1444842881. The next prime is 1444842907. The reversal of 1444842890 is 982484441.

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, 63662 + ... + 83321.

It is an arithmetic number, because the mean of its divisors is an integer number (162711288).

Almost surely, 2^1444842890 is an apocalyptic number.

1444842890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444842890 is a deficient number, since it is larger than the sum of its proper divisors (1158537718).

1444842890 is a wasteful number, since it uses less digits than its factorization.

1444842890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147973.

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 1444842890 is about 38011.0890399104. The cubic root of 1444842890 is about 1130.5077442537.

The spelling of 1444842890 in words is "one billion, four hundred forty-four million, eight hundred forty-two thousand, eight hundred ninety".