1004994445800 has 48 divisors (see below), whose sum is σ = 3115482783840. Its totient is φ = 267998518720.

The previous prime is 1004994445769. The next prime is 1004994445843. The reversal of 1004994445800 is 85444994001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004994445800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837494772 + ... + 837495971.

It is an arithmetic number, because the mean of its divisors is an integer number (64905891330).

Almost surely, 2^{1004994445800} is an apocalyptic number.

1004994445800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004994445800 is an abundant number, since it is smaller than the sum of its proper divisors (2110488338040).

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

1004994445800 is a wasteful number, since it uses less digits than its factorization.

1004994445800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674990762 (or 1674990753 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 1004994445800 in words is "one trillion, four billion, nine hundred ninety-four million, four hundred forty-five thousand, eight hundred".