804915042 has 16 divisors (see below), whose sum is σ = 1630208640. Its totient is φ = 264908592.

The previous prime is 804915037. The next prime is 804915053. The reversal of 804915042 is 240519408.

It is a junction number, because it is equal to n+sod(n) for n = 804914994 and 804915012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848593 + ... + 849540.

It is an arithmetic number, because the mean of its divisors is an integer number (101888040).

Almost surely, 2^804915042 is an apocalyptic number.

804915042 is an abundant number, since it is smaller than the sum of its proper divisors (825293598).

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

804915042 is a wasteful number, since it uses less digits than its factorization.

804915042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698217.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 804915042 is about 28371.0246906946. The cubic root of 804915042 is about 930.2150202328.

The spelling of 804915042 in words is "eight hundred four million, nine hundred fifteen thousand, forty-two".