800836023438 has 48 divisors (see below), whose sum is σ = 1893052180656. Its totient is φ = 242656168320.

The previous prime is 800836023433. The next prime is 800836023451. The reversal of 800836023438 is 834320638008.

800836023438 is a `hidden beast` number, since 8 + 0 + 0 + 8 + 3 + 602 + 3 + 4 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 800836023393 and 800836023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800836023433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2147370 + ... + 2492562.

It is an arithmetic number, because the mean of its divisors is an integer number (39438587097).

Almost surely, 2^800836023438 is an apocalyptic number.

800836023438 is an abundant number, since it is smaller than the sum of its proper divisors (1092216157218).

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

800836023438 is a wasteful number, since it uses less digits than its factorization.

800836023438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356929 (or 356926 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 800836023438 in words is "eight hundred billion, eight hundred thirty-six million, twenty-three thousand, four hundred thirty-eight".