19408793082 has 48 divisors (see below), whose sum is σ = 45257385312. Its totient is φ = 5532814560.

The previous prime is 19408793039. The next prime is 19408793177. The reversal of 19408793082 is 28039780491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55732 + ... + 204752.

It is an arithmetic number, because the mean of its divisors is an integer number (942862194).

Almost surely, 2^19408793082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19408793082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22628692656).

19408793082 is an abundant number, since it is smaller than the sum of its proper divisors (25848592230).

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

19408793082 is a wasteful number, since it uses less digits than its factorization.

19408793082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149483 (or 149476 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 19408793082 in words is "nineteen billion, four hundred eight million, seven hundred ninety-three thousand, eighty-two".