1444879090 has 32 divisors (see below), whose sum is σ = 2723777280. Its totient is φ = 550803264.

The previous prime is 1444879081. The next prime is 1444879171. The reversal of 1444879090 is 909784441.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 1444879090.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52371 + ... + 75049.

It is an arithmetic number, because the mean of its divisors is an integer number (85118040).

Almost surely, 2^1444879090 is an apocalyptic number.

1444879090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444879090 is a deficient number, since it is larger than the sum of its proper divisors (1278898190).

1444879090 is a wasteful number, since it uses less digits than its factorization.

1444879090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22986.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1444879090 is about 38011.5652137609. The cubic root of 1444879090 is about 1130.5171856582.

The spelling of 1444879090 in words is "one billion, four hundred forty-four million, eight hundred seventy-nine thousand, ninety".