1045204045824 has 104 divisors (see below), whose sum is σ = 2826124610112. Its totient is φ = 343494000640.

The previous prime is 1045204045811. The next prime is 1045204045843. The reversal of 1045204045824 is 4285404025401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273442 + ... + 1471454.

Almost surely, 2^{1045204045824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045204045824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413062305056).

1045204045824 is an abundant number, since it is smaller than the sum of its proper divisors (1780920564288).

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

1045204045824 is an equidigital number, since it uses as much as digits as its factorization.

1045204045824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198111 (or 1198089 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 39.

The spelling of 1045204045824 in words is "one trillion, forty-five billion, two hundred four million, forty-five thousand, eight hundred twenty-four".