19048140 has 144 divisors (see below), whose sum is σ = 62270208. Its totient is φ = 4701312.

The previous prime is 19048129. The next prime is 19048151. The reversal of 19048140 is 4184091.

It is an interprime number because it is at equal distance from previous prime (19048129) and next prime (19048151).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177967 + ... + 178073.

It is an arithmetic number, because the mean of its divisors is an integer number (432432).

Almost surely, 2^19048140 is an apocalyptic number.

19048140 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 19048140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31135104).

19048140 is an abundant number, since it is smaller than the sum of its proper divisors (43222068).

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

19048140 is a wasteful number, since it uses less digits than its factorization.

19048140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 19048140 is about 4364.4174869048. The cubic root of 19048140 is about 267.0653377110.

The spelling of 19048140 in words is "nineteen million, forty-eight thousand, one hundred forty".