800108049040 has 40 divisors (see below), whose sum is σ = 1941131706048. Its totient is φ = 306128296320.

The previous prime is 800108049011. The next prime is 800108049047. The reversal of 800108049040 is 40940801008.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 800108048987 and 800108049005.

It is not an unprimeable number, because it can be changed into a prime (800108049047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217418826 + ... + 217422505.

Almost surely, 2^800108049040 is an apocalyptic number.

800108049040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

800108049040 is an abundant number, since it is smaller than the sum of its proper divisors (1141023657008).

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

800108049040 is a wasteful number, since it uses less digits than its factorization.

800108049040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434841367 (or 434841361 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 800108049040 in words is "eight hundred billion, one hundred eight million, forty-nine thousand, forty".