1444570741 has 12 divisors (see below), whose sum is σ = 1527072384. Its totient is φ = 1366324200.

The previous prime is 1444570739. The next prime is 1444570747. The reversal of 1444570741 is 1470754441.

It is not a de Polignac number, because 1444570741 - 2¹ = 1444570739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444570741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444570747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246556 + ... + 252346.

It is an arithmetic number, because the mean of its divisors is an integer number (127256032).

Almost surely, 2^1444570741 is an apocalyptic number.

It is an amenable number.

1444570741 is a deficient number, since it is larger than the sum of its proper divisors (82501643).

1444570741 is an equidigital number, since it uses as much as digits as its factorization.

1444570741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520 (or 6501 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 1444570741 is about 38007.5090080894. The cubic root of 1444570741 is about 1130.4367594028.

The spelling of 1444570741 in words is "one billion, four hundred forty-four million, five hundred seventy thousand, seven hundred forty-one".