19040485 has 8 divisors (see below), whose sum is σ = 22872096. Its totient is φ = 15216720.

The previous prime is 19040453. The next prime is 19040507. The reversal of 19040485 is 58404091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19040485 - 2⁵ = 19040453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7870 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (2859012).

Almost surely, 2^19040485 is an apocalyptic number.

It is an amenable number.

19040485 is a deficient number, since it is larger than the sum of its proper divisors (3831611).

19040485 is a wasteful number, since it uses less digits than its factorization.

19040485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 19040485 is about 4363.5404203468. The cubic root of 19040485 is about 267.0295571556.

The spelling of 19040485 in words is "nineteen million, forty thousand, four hundred eighty-five".