19960460128 has 24 divisors (see below), whose sum is σ = 44911035792. Its totient is φ = 8554482816.

The previous prime is 19960460123. The next prime is 19960460147. The reversal of 19960460128 is 82106406991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19960460123) by changing a digit.

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, 44554375 + ... + 44554822.

It is an arithmetic number, because the mean of its divisors is an integer number (1871293158).

Almost surely, 2^19960460128 is an apocalyptic number.

It is an amenable number.

19960460128 is an abundant number, since it is smaller than the sum of its proper divisors (24950575664).

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

19960460128 is an equidigital number, since it uses as much as digits as its factorization.

19960460128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89109214 (or 89109206 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 19960460128 in words is "nineteen billion, nine hundred sixty million, four hundred sixty thousand, one hundred twenty-eight".