1944266928 has 80 divisors (see below), whose sum is σ = 5212618752. Its totient is φ = 623808000.

The previous prime is 1944266927. The next prime is 1944266953. The reversal of 1944266928 is 8296624491.

It is not an unprimeable number, because it can be changed into a prime (1944266921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280788 + ... + 287628.

Almost surely, 2^1944266928 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 1944266928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606309376).

1944266928 is an abundant number, since it is smaller than the sum of its proper divisors (3268351824).

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

1944266928 is a wasteful number, since it uses less digits than its factorization.

1944266928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074 (or 7068 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 1944266928 is about 44093.8422911862. The cubic root of 1944266928 is about 1248.1074139138.

The spelling of 1944266928 in words is "one billion, nine hundred forty-four million, two hundred sixty-six thousand, nine hundred twenty-eight".