1944804428 has 24 divisors (see below), whose sum is σ = 3891374592. Its totient is φ = 833109264.

The previous prime is 1944804401. The next prime is 1944804443. The reversal of 1944804428 is 8244084491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52151 + ... + 81297.

It is an arithmetic number, because the mean of its divisors is an integer number (162140608).

Almost surely, 2^1944804428 is an apocalyptic number.

It is an amenable number.

1944804428 is an abundant number, since it is smaller than the sum of its proper divisors (1946570164).

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

1944804428 is a wasteful number, since it uses less digits than its factorization.

1944804428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31541 (or 31539 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 1944804428 is about 44099.9368253516. The cubic root of 1944804428 is about 1248.2224180000. Note that the first 3 decimals are identical.

The spelling of 1944804428 in words is "one billion, nine hundred forty-four million, eight hundred four thousand, four hundred twenty-eight".