1944359428 has 48 divisors (see below), whose sum is σ = 3968625024. Its totient is φ = 823703040.

The previous prime is 1944359419. The next prime is 1944359449. The reversal of 1944359428 is 8249534491.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64426 + ... + 89662.

It is an arithmetic number, because the mean of its divisors is an integer number (82679688).

Almost surely, 2^1944359428 is an apocalyptic number.

It is an amenable number.

1944359428 is an abundant number, since it is smaller than the sum of its proper divisors (2024265596).

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

1944359428 is a wasteful number, since it uses less digits than its factorization.

1944359428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25372 (or 25370 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 1944359428 is about 44094.8911780038. The cubic root of 1944359428 is about 1248.1272068245.

The spelling of 1944359428 in words is "one billion, nine hundred forty-four million, three hundred fifty-nine thousand, four hundred twenty-eight".