1042845355204 has 27 divisors (see below), whose sum is σ = 1838891019693. Its totient is φ = 517477789728.

The previous prime is 1042845355183. The next prime is 1042845355229. The reversal of 1042845355204 is 4025535482401.

The square root of 1042845355204 is 1021198.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 612572328900 + 430273026304 = 782670^2 + 655952^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 279806389 + ... + 279810115.

Almost surely, 2^{1042845355204} is an apocalyptic number.

1042845355204 is the 1021198-th square number.

It is an amenable number.

1042845355204 is a deficient number, since it is larger than the sum of its proper divisors (796045664489).

1042845355204 is an frugal number, since it uses more digits than its factorization.

1042845355204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 1042845355204 in words is "one trillion, forty-two billion, eight hundred forty-five million, three hundred fifty-five thousand, two hundred four".