19995675392 has 432 divisors, whose sum is σ = 55364601600. Its totient is φ = 7098900480.

The previous prime is 19995675379. The next prime is 19995675407. The reversal of 19995675392 is 29357659991.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76029053 + ... + 76029315.

It is an arithmetic number, because the mean of its divisors is an integer number (128158800).

Almost surely, 2^19995675392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19995675392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27682300800).

19995675392 is an abundant number, since it is smaller than the sum of its proper divisors (35368926208).

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

19995675392 is a wasteful number, since it uses less digits than its factorization.

19995675392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 331 counting only the distinct ones).

The product of its digits is 41334300, while the sum is 65.

The spelling of 19995675392 in words is "nineteen billion, nine hundred ninety-five million, six hundred seventy-five thousand, three hundred ninety-two".