1040340816000 has 768 divisors, whose sum is σ = 3828259169280. Its totient is φ = 270646272000.

The previous prime is 1040340815977. The next prime is 1040340816037. The reversal of 1040340816000 is 6180430401.

1040340816000 is a `hidden beast` number, since 10 + 4 + 0 + 3 + 40 + 8 + 1 + 600 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2068271749 + ... + 2068272251.

It is an arithmetic number, because the mean of its divisors is an integer number (4984712460).

Almost surely, 2^{1040340816000} is an apocalyptic number.

1040340816000 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 1040340816000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914129584640).

1040340816000 is an abundant number, since it is smaller than the sum of its proper divisors (2787918353280).

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

1040340816000 is a wasteful number, since it uses less digits than its factorization.

1040340816000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 1040340816000 in words is "one trillion, forty billion, three hundred forty million, eight hundred sixteen thousand".