1444034721 has 16 divisors (see below), whose sum is σ = 1980518400. Its totient is φ = 935415888.

The previous prime is 1444034717. The next prime is 1444034773. The reversal of 1444034721 is 1274304441.

It is not a de Polignac number, because 1444034721 - 2² = 1444034717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444034021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17241 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (123782400).

Almost surely, 2^1444034721 is an apocalyptic number.

It is an amenable number.

1444034721 is a deficient number, since it is larger than the sum of its proper divisors (536483679).

1444034721 is a wasteful number, since it uses less digits than its factorization.

1444034721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73868.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1444034721 is about 38000.4568525169. The cubic root of 1444034721 is about 1130.2969227819.

The spelling of 1444034721 in words is "one billion, four hundred forty-four million, thirty-four thousand, seven hundred twenty-one".