19240549808 has 10 divisors (see below), whose sum is σ = 37278565284. Its totient is φ = 9620274896.

The previous prime is 19240549763. The next prime is 19240549841. The reversal of 19240549808 is 80894504291.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601267166 + ... + 601267197.

Almost surely, 2^19240549808 is an apocalyptic number.

It is an amenable number.

19240549808 is a deficient number, since it is larger than the sum of its proper divisors (18038015476).

19240549808 is a wasteful number, since it uses less digits than its factorization.

19240549808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202534371 (or 1202534365 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 19240549808 in words is "nineteen billion, two hundred forty million, five hundred forty-nine thousand, eight hundred eight".