1944250028 has 72 divisors (see below), whose sum is σ = 4017323520. Its totient is φ = 820864800.

The previous prime is 1944250001. The next prime is 1944250037. The reversal of 1944250028 is 8200524491.

It is a self number, because there is not a number n which added to its sum of digits gives 1944250028.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5297501 + ... + 5297867.

It is an arithmetic number, because the mean of its divisors is an integer number (55796160).

Almost surely, 2^1944250028 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 1944250028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008661760).

1944250028 is an abundant number, since it is smaller than the sum of its proper divisors (2073073492).

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

1944250028 is a wasteful number, since it uses less digits than its factorization.

1944250028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1944250028 is about 44093.6506540341. The cubic root of 1944250028 is about 1248.1037976277.

The spelling of 1944250028 in words is "one billion, nine hundred forty-four million, two hundred fifty thousand, twenty-eight".