19240080 has 40 divisors (see below), whose sum is σ = 59644992. Its totient is φ = 5130624.

The previous prime is 19240063. The next prime is 19240093. The reversal of 19240080 is 8004291.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 19240080.

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, 39844 + ... + 40323.

Almost surely, 2^19240080 is an apocalyptic number.

19240080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19240080 is an abundant number, since it is smaller than the sum of its proper divisors (40404912).

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

19240080 is a wasteful number, since it uses less digits than its factorization.

19240080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80183 (or 80177 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 19240080 is about 4386.3515590978. The cubic root of 19240080 is about 267.9593760360.

The spelling of 19240080 in words is "nineteen million, two hundred forty thousand, eighty".