1940322444 has 12 divisors (see below), whose sum is σ = 4527419064. Its totient is φ = 646774144.

The previous prime is 1940322443. The next prime is 1940322463. The reversal of 1940322444 is 4442230491.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1940322443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80846757 + ... + 80846780.

It is an arithmetic number, because the mean of its divisors is an integer number (377284922).

Almost surely, 2^1940322444 is an apocalyptic number.

It is an amenable number.

1940322444 is an abundant number, since it is smaller than the sum of its proper divisors (2587096620).

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

1940322444 is a wasteful number, since it uses less digits than its factorization.

1940322444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161693544 (or 161693542 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1940322444 is about 44049.0912959621. The cubic root of 1940322444 is about 1247.2627986112.

The spelling of 1940322444 in words is "one billion, nine hundred forty million, three hundred twenty-two thousand, four hundred forty-four".