19016040 has 64 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 5020160.

The previous prime is 19016033. The next prime is 19016057. The reversal of 19016040 is 4061091.

It is a junction number, because it is equal to n+sod(n) for n = 19015998 and 19016016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12100 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (900315).

Almost surely, 2^19016040 is an apocalyptic number.

19016040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19016040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28810080).

19016040 is an abundant number, since it is smaller than the sum of its proper divisors (38604120).

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

19016040 is a wasteful number, since it uses less digits than its factorization.

19016040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 19016040 is about 4360.7384695714. The cubic root of 19016040 is about 266.9152335103.

The spelling of 19016040 in words is "nineteen million, sixteen thousand, forty".