19470588928 has 88 divisors (see below), whose sum is σ = 44558178944. Its totient is φ = 8330342400.

The previous prime is 19470588923. The next prime is 19470588989. The reversal of 19470588928 is 82988507491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19470588923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951123 + ... + 4955053.

Almost surely, 2^19470588928 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 19470588928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22279089472).

19470588928 is an abundant number, since it is smaller than the sum of its proper divisors (25087590016).

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

19470588928 is an equidigital number, since it uses as much as digits as its factorization.

19470588928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649 (or 4631 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 19470588928 in words is "nineteen billion, four hundred seventy million, five hundred eighty-eight thousand, nine hundred twenty-eight".