1009813044204 has 72 divisors (see below), whose sum is σ = 2632158503520. Its totient is φ = 326219616000.

The previous prime is 1009813044181. The next prime is 1009813044209. The reversal of 1009813044204 is 4024403189001.

It is a happy number.

1009813044204 is a `hidden beast` number, since 10 + 0 + 98 + 130 + 4 + 420 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1009813044209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2042539 + ... + 2488290.

Almost surely, 2^{1009813044204} is an apocalyptic number.

It is an amenable number.

1009813044204 is an abundant number, since it is smaller than the sum of its proper divisors (1622345459316).

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

1009813044204 is a wasteful number, since it uses less digits than its factorization.

1009813044204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531031 (or 4531026 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 1009813044204 in words is "one trillion, nine billion, eight hundred thirteen million, forty-four thousand, two hundred four".