1944419428 has 12 divisors (see below), whose sum is σ = 3888838912. Its totient is φ = 833322600.

The previous prime is 1944419423. The next prime is 1944419429. The reversal of 1944419428 is 8249144491.

1944419428 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1944419423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34721748 + ... + 34721803.

Almost surely, 2^1944419428 is an apocalyptic number.

It is an amenable number.

1944419428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1944419428 is a wasteful number, since it uses less digits than its factorization.

1944419428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69443562 (or 69443560 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 1944419428 is about 44095.5715236802. The cubic root of 1944419428 is about 1248.1400451337.

The spelling of 1944419428 in words is "one billion, nine hundred forty-four million, four hundred nineteen thousand, four hundred twenty-eight".