19042110 has 48 divisors (see below), whose sum is σ = 49836384. Its totient is φ = 5044416.

The previous prime is 19042103. The next prime is 19042139. The reversal of 19042110 is 1124091.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14959 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (1038258).

Almost surely, 2^19042110 is an apocalyptic number.

19042110 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 19042110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24918192).

19042110 is an abundant number, since it is smaller than the sum of its proper divisors (30794274).

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

19042110 is a wasteful number, since it uses less digits than its factorization.

19042110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 19042110 is about 4363.7266183848. The cubic root of 19042110 is about 267.0371534377.

The spelling of 19042110 in words is "nineteen million, forty-two thousand, one hundred ten".