19488462280 has 96 divisors (see below), whose sum is σ = 51872918400. Its totient is φ = 6568469376.

The previous prime is 19488462247. The next prime is 19488462299. The reversal of 19488462280 is 8226488491.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31377 + ... + 199903.

It is an arithmetic number, because the mean of its divisors is an integer number (540342900).

Almost surely, 2^19488462280 is an apocalyptic number.

19488462280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19488462280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25936459200).

19488462280 is an abundant number, since it is smaller than the sum of its proper divisors (32384456120).

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

19488462280 is a wasteful number, since it uses less digits than its factorization.

19488462280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168611 (or 168600 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 19488462280 in words is "nineteen billion, four hundred eighty-eight million, four hundred sixty-two thousand, two hundred eighty".