808862009400 has 384 divisors, whose sum is σ = 2973238272000. Its totient is φ = 201407109120.

The previous prime is 808862009363. The next prime is 808862009437. The reversal of 808862009400 is 4900268808.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (808862009363) and next prime (808862009437).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11623911 + ... + 11693289.

It is an arithmetic number, because the mean of its divisors is an integer number (7742808000).

Almost surely, 2^808862009400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808862009400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486619136000).

808862009400 is an abundant number, since it is smaller than the sum of its proper divisors (2164376262600).

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

808862009400 is a wasteful number, since it uses less digits than its factorization.

808862009400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69548 (or 69533 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 808862009400 in words is "eight hundred eight billion, eight hundred sixty-two million, nine thousand, four hundred".