800045688 has 32 divisors (see below), whose sum is σ = 2153970000. Its totient is φ = 246167808.

The previous prime is 800045681. The next prime is 800045693. The reversal of 800045688 is 886540008.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800045681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281813 + ... + 1282436.

Almost surely, 2^800045688 is an apocalyptic number.

It is an amenable number.

800045688 is an abundant number, since it is smaller than the sum of its proper divisors (1353924312).

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

800045688 is a wasteful number, since it uses less digits than its factorization.

800045688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564271 (or 2564267 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 800045688 is about 28285.0788932964. The cubic root of 800045688 is about 928.3354384620.

The spelling of 800045688 in words is "eight hundred million, forty-five thousand, six hundred eighty-eight".