19488254960 has 20 divisors (see below), whose sum is σ = 45310192968. Its totient is φ = 7795301952.

The previous prime is 19488254921. The next prime is 19488254971. The reversal of 19488254960 is 6945288491.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 19488254896 and 19488254905.

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 3 ways as a sum of consecutive naturals, for example, 121801514 + ... + 121801673.

Almost surely, 2^19488254960 is an apocalyptic number.

19488254960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19488254960 is an abundant number, since it is smaller than the sum of its proper divisors (25821938008).

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

19488254960 is a wasteful number, since it uses less digits than its factorization.

19488254960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243603200 (or 243603194 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 19488254960 in words is "nineteen billion, four hundred eighty-eight million, two hundred fifty-four thousand, nine hundred sixty".