1944497428 has 12 divisors (see below), whose sum is σ = 3403995840. Its totient is φ = 971927192.

The previous prime is 1944497369. The next prime is 1944497459. The reversal of 1944497428 is 8247944491.

It is a congruent number.

It is an unprimeable number.

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, 66508 + ... + 91171.

It is an arithmetic number, because the mean of its divisors is an integer number (283666320).

Almost surely, 2^1944497428 is an apocalyptic number.

It is an amenable number.

1944497428 is a deficient number, since it is larger than the sum of its proper divisors (1459498412).

1944497428 is a wasteful number, since it uses less digits than its factorization.

1944497428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160766 (or 160764 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 1944497428 is about 44096.4559573669. The cubic root of 1944497428 is about 1248.1567345407.

The spelling of 1944497428 in words is "one billion, nine hundred forty-four million, four hundred ninety-seven thousand, four hundred twenty-eight".