19014450 has 144 divisors (see below), whose sum is σ = 59371200. Its totient is φ = 3991680.

The previous prime is 19014433. The next prime is 19014451. The reversal of 19014450 is 5441091.

It is a self number, because there is not a number n which added to its sum of digits gives 19014450.

It is not an unprimeable number, because it can be changed into a prime (19014451) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95451 + ... + 95649.

It is an arithmetic number, because the mean of its divisors is an integer number (412300).

Almost surely, 2^19014450 is an apocalyptic number.

19014450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19014450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29685600).

19014450 is an abundant number, since it is smaller than the sum of its proper divisors (40356750).

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

19014450 is a wasteful number, since it uses less digits than its factorization.

19014450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 19014450 is about 4360.5561571891. The cubic root of 19014450 is about 266.9077940530.

The spelling of 19014450 in words is "nineteen million, fourteen thousand, four hundred fifty".