19468944 has 160 divisors (see below), whose sum is σ = 64817280. Its totient is φ = 5529600.

The previous prime is 19468931. The next prime is 19468949. The reversal of 19468944 is 44986491.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 19468944.

It is not an unprimeable number, because it can be changed into a prime (19468949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80664 + ... + 80904.

It is an arithmetic number, because the mean of its divisors is an integer number (405108).

Almost surely, 2^19468944 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 19468944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32408640).

19468944 is an abundant number, since it is smaller than the sum of its proper divisors (45348336).

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

19468944 is a wasteful number, since it uses less digits than its factorization.

19468944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 274 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 19468944 is about 4412.3626324227. The cubic root of 19468944 is about 269.0176648939.

The spelling of 19468944 in words is "nineteen million, four hundred sixty-eight thousand, nine hundred forty-four".