1444426594 has 16 divisors (see below), whose sum is σ = 2334798648. Its totient is φ = 666231552.

The previous prime is 1444426591. The next prime is 1444426601. The reversal of 1444426594 is 4956244441.

It can be written as a sum of positive squares in 4 ways, for example, as 1050602569 + 393824025 = 32413^2 + 19845^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1444426594.

It is not an unprimeable number, because it can be changed into a prime (1444426591) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25594 + ... + 59530.

Almost surely, 2^1444426594 is an apocalyptic number.

1444426594 is a deficient number, since it is larger than the sum of its proper divisors (890372054).

1444426594 is a wasteful number, since it uses less digits than its factorization.

1444426594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35589.

The product of its digits is 552960, while the sum is 43.

The square root of 1444426594 is about 38005.6126644473. The cubic root of 1444426594 is about 1130.3991578088.

The spelling of 1444426594 in words is "one billion, four hundred forty-four million, four hundred twenty-six thousand, five hundred ninety-four".