19040682366 has 96 divisors (see below), whose sum is σ = 44038874880. Its totient is φ = 6097736736.

The previous prime is 19040682341. The next prime is 19040682373. The reversal of 19040682366 is 66328604091.

19040682366 is a `hidden beast` number, since 1 + 9 + 0 + 406 + 8 + 236 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10308055 + ... + 10309901.

It is an arithmetic number, because the mean of its divisors is an integer number (458738280).

Almost surely, 2^19040682366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19040682366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22019437440).

19040682366 is an abundant number, since it is smaller than the sum of its proper divisors (24998192514).

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

19040682366 is a wasteful number, since it uses less digits than its factorization.

19040682366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 19040682366 in words is "nineteen billion, forty million, six hundred eighty-two thousand, three hundred sixty-six".