1045840896000 has 896 divisors, whose sum is σ = 3923175409920. Its totient is φ = 278293708800.

The previous prime is 1045840895987. The next prime is 1045840896077. The reversal of 1045840896000 is 6980485401.

1045840896000 is a `hidden beast` number, since 1 + 0 + 4 + 584 + 0 + 8 + 9 + 60 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2239487767 + ... + 2239488233.

Almost surely, 2^{1045840896000} is an apocalyptic number.

1045840896000 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 1045840896000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961587704960).

1045840896000 is an abundant number, since it is smaller than the sum of its proper divisors (2877334513920).

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

1045840896000 is an frugal number, since it uses more digits than its factorization.

1045840896000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1045840896000 in words is "one trillion, forty-five billion, eight hundred forty million, eight hundred ninety-six thousand".