1444755064 has 32 divisors (see below), whose sum is σ = 2885904720. Its totient is φ = 675703296.

The previous prime is 1444755061. The next prime is 1444755083. The reversal of 1444755064 is 4605574441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444755061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419 + ... + 54754.

Almost surely, 2^1444755064 is an apocalyptic number.

It is an amenable number.

1444755064 is a deficient number, since it is larger than the sum of its proper divisors (1441149656).

1444755064 is a wasteful number, since it uses less digits than its factorization.

1444755064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65359 (or 65355 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 1444755064 is about 38009.9337542175. The cubic root of 1444755064 is about 1130.4848374990.

The spelling of 1444755064 in words is "one billion, four hundred forty-four million, seven hundred fifty-five thousand, sixty-four".