19082240 has 44 divisors (see below), whose sum is σ = 45787296. Its totient is φ = 7630848.

The previous prime is 19082221. The next prime is 19082243. The reversal of 19082240 is 4228091.

It is a hoax number, since the sum of its digits (26) 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 (19082243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257 + ... + 6983.

Almost surely, 2^19082240 is an apocalyptic number.

19082240 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 19082240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22893648).

19082240 is an abundant number, since it is smaller than the sum of its proper divisors (26705056).

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

19082240 is an equidigital number, since it uses as much as digits as its factorization.

19082240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752 (or 3734 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 19082240 is about 4368.3223324292. The cubic root of 19082240 is about 267.2246095875.

The spelling of 19082240 in words is "nineteen million, eighty-two thousand, two hundred forty".