19740469908 has 24 divisors (see below), whose sum is σ = 46692072448. Its totient is φ = 6490017216.

The previous prime is 19740469871. The next prime is 19740469913. The reversal of 19740469908 is 80996404791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11266516 + ... + 11268267.

Almost surely, 2^19740469908 is an apocalyptic number.

It is an amenable number.

19740469908 is an abundant number, since it is smaller than the sum of its proper divisors (26951602540).

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

19740469908 is a wasteful number, since it uses less digits than its factorization.

19740469908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22534863 (or 22534861 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 19740469908 in words is "nineteen billion, seven hundred forty million, four hundred sixty-nine thousand, nine hundred eight".