19006980804 has 216 divisors, whose sum is σ = 57468290880. Its totient is φ = 5387788224.

The previous prime is 19006980763. The next prime is 19006980821. The reversal of 19006980804 is 40808960091.

It is a super-2 number, since 2×19006980804² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19006980804.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28841827 + ... + 28842485.

Almost surely, 2^19006980804 is an apocalyptic number.

19006980804 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 19006980804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28734145440).

19006980804 is an abundant number, since it is smaller than the sum of its proper divisors (38461310076).

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

19006980804 is an equidigital number, since it uses as much as digits as its factorization.

19006980804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 19006980804 in words is "nineteen billion, six million, nine hundred eighty thousand, eight hundred four".