19054040 has 16 divisors (see below), whose sum is σ = 42871680. Its totient is φ = 7621600.

The previous prime is 19054033. The next prime is 19054043. The reversal of 19054040 is 4045091.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19053997 and 19054015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19054043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 238136 + ... + 238215.

It is an arithmetic number, because the mean of its divisors is an integer number (2679480).

Almost surely, 2^19054040 is an apocalyptic number.

19054040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19054040 is an abundant number, since it is smaller than the sum of its proper divisors (23817640).

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

19054040 is a wasteful number, since it uses less digits than its factorization.

19054040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476362 (or 476358 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 19054040 is about 4365.0933552445. The cubic root of 19054040 is about 267.0929086066.

The spelling of 19054040 in words is "nineteen million, fifty-four thousand, forty".