1444723662 has 8 divisors (see below), whose sum is σ = 2889447336. Its totient is φ = 481574552.

The previous prime is 1444723591. The next prime is 1444723669. The reversal of 1444723662 is 2663274441.

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

1444723662 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444723662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444723669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120393633 + ... + 120393644.

It is an arithmetic number, because the mean of its divisors is an integer number (361180917).

Almost surely, 2^1444723662 is an apocalyptic number.

1444723662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444723662 is a wasteful number, since it uses less digits than its factorization.

1444723662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240787282.

The product of its digits is 193536, while the sum is 39.

The square root of 1444723662 is about 38009.5206757465. The cubic root of 1444723662 is about 1130.4766470122.

The spelling of 1444723662 in words is "one billion, four hundred forty-four million, seven hundred twenty-three thousand, six hundred sixty-two".