808636950000 has 540 divisors, whose sum is σ = 3109380471288. Its totient is φ = 196020000000.

The previous prime is 808636949969. The next prime is 808636950001. The reversal of 808636950000 is 59636808.

808636950000 is a `hidden beast` number, since 8 + 0 + 8 + 636 + 9 + 5 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808636950001) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 54442575 + ... + 54457425.

Almost surely, 2^808636950000 is an apocalyptic number.

808636950000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808636950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554690235644).

808636950000 is an abundant number, since it is smaller than the sum of its proper divisors (2300743521288).

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

808636950000 is a wasteful number, since it uses less digits than its factorization.

808636950000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14912 (or 14872 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 808636950000 in words is "eight hundred eight billion, six hundred thirty-six million, nine hundred fifty thousand".