19676450304 has 240 divisors, whose sum is σ = 65144247168. Its totient is φ = 5600710656.

The previous prime is 19676450303. The next prime is 19676450329. The reversal of 19676450304 is 40305467691.

19676450304 is a `hidden beast` number, since 196 + 7 + 6 + 450 + 3 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19676450304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19676450303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9901599 + ... + 9903585.

Almost surely, 2^19676450304 is an apocalyptic number.

19676450304 is a gapful number since it is divisible by the number (14) 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 19676450304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32572123584).

19676450304 is an abundant number, since it is smaller than the sum of its proper divisors (45467796864).

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

19676450304 is a wasteful number, since it uses less digits than its factorization.

19676450304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 19676450304 in words is "nineteen billion, six hundred seventy-six million, four hundred fifty thousand, three hundred four".