1442666316 has 96 divisors (see below), whose sum is σ = 4231342080. Its totient is φ = 372374784.

The previous prime is 1442666261. The next prime is 1442666317. The reversal of 1442666316 is 6136662441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1442666317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37270 + ... + 65378.

It is an arithmetic number, because the mean of its divisors is an integer number (44076480).

Almost surely, 2^1442666316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442666316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2115671040).

1442666316 is an abundant number, since it is smaller than the sum of its proper divisors (2788675764).

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

1442666316 is a wasteful number, since it uses less digits than its factorization.

1442666316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28183 (or 28181 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 1442666316 is about 37982.4474724839. The cubic root of 1442666316 is about 1129.9397769873.

The spelling of 1442666316 in words is "one billion, four hundred forty-two million, six hundred sixty-six thousand, three hundred sixteen".