801144688 has 60 divisors (see below), whose sum is σ = 1608365808. Its totient is φ = 386480640.

The previous prime is 801144649. The next prime is 801144697. The reversal of 801144688 is 886441108.

It is a happy number.

It is a super-2 number, since 2×801144688² = 1283665622221234688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 801144688.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 7089720 + ... + 7089832.

Almost surely, 2^801144688 is an apocalyptic number.

It is an amenable number.

801144688 is an abundant number, since it is smaller than the sum of its proper divisors (807221120).

801144688 is a wasteful number, since it uses less digits than its factorization.

801144688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 801144688 is about 28304.4994303026. The cubic root of 801144688 is about 928.7603199656.

The spelling of 801144688 in words is "eight hundred one million, one hundred forty-four thousand, six hundred eighty-eight".