801156004 has 18 divisors (see below), whose sum is σ = 1541067542. Its totient is φ = 364161600.

The previous prime is 801155959. The next prime is 801156011. The reversal of 801156004 is 400651108.

801156004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 707453604 + 93702400 = 26598^2 + 9680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 801156004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 827157 + ... + 828124.

Almost surely, 2^801156004 is an apocalyptic number.

It is an amenable number.

801156004 is a deficient number, since it is larger than the sum of its proper divisors (739911538).

801156004 is a wasteful number, since it uses less digits than its factorization.

801156004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655307 (or 1655294 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 801156004 is about 28304.6993271435. The cubic root of 801156004 is about 928.7646927930.

The spelling of 801156004 in words is "eight hundred one million, one hundred fifty-six thousand, four".