1444344290 has 8 divisors (see below), whose sum is σ = 2599819740. Its totient is φ = 577737712.

The previous prime is 1444344289. The next prime is 1444344323. The reversal of 1444344290 is 924434441.

It can be written as a sum of positive squares in 2 ways, for example, as 1444228009 + 116281 = 38003^2 + 341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1444344290² = 4172260856111208200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1444344290.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72217205 + ... + 72217224.

Almost surely, 2^1444344290 is an apocalyptic number.

1444344290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444344290 is a deficient number, since it is larger than the sum of its proper divisors (1155475450).

1444344290 is a wasteful number, since it uses less digits than its factorization.

1444344290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144434436.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 1444344290 is about 38004.5298615836. The cubic root of 1444344290 is about 1130.3776872036.

It can be divided in two parts, 144 and 4344290, that added together give a palindrome (4344434).

The spelling of 1444344290 in words is "one billion, four hundred forty-four million, three hundred forty-four thousand, two hundred ninety".