19825044 has 24 divisors (see below), whose sum is σ = 47509728. Its totient is φ = 6429600.

The previous prime is 19825019. The next prime is 19825049. The reversal of 19825044 is 44052891.

It is a junction number, because it is equal to n+sod(n) for n = 19824996 and 19825014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19825049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21882 + ... + 22769.

It is an arithmetic number, because the mean of its divisors is an integer number (1979572).

Almost surely, 2^19825044 is an apocalyptic number.

It is an amenable number.

19825044 is an abundant number, since it is smaller than the sum of its proper divisors (27684684).

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

19825044 is a wasteful number, since it uses less digits than its factorization.

19825044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44695 (or 44693 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 19825044 is about 4452.5323131899. The cubic root of 19825044 is about 270.6479363173.

The spelling of 19825044 in words is "nineteen million, eight hundred twenty-five thousand, forty-four".