19925584104 has 16 divisors (see below), whose sum is σ = 49813960320. Its totient is φ = 6641861360.

The previous prime is 19925584093. The next prime is 19925584117. The reversal of 19925584104 is 40148552991.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415116312 + ... + 415116359.

It is an arithmetic number, because the mean of its divisors is an integer number (3113372520).

Almost surely, 2^19925584104 is an apocalyptic number.

It is an amenable number.

19925584104 is an abundant number, since it is smaller than the sum of its proper divisors (29888376216).

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

19925584104 is a wasteful number, since it uses less digits than its factorization.

19925584104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830232680 (or 830232676 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 19925584104 in words is "nineteen billion, nine hundred twenty-five million, five hundred eighty-four thousand, one hundred four".