223186803840 has 3840 divisors, whose sum is σ = 1191324879360. Its totient is φ = 38539100160.

The previous prime is 223186803839. The next prime is 223186803877. The reversal of 223186803840 is 48308681322.

It is a super-3 number, since 3×223186803840³ (a number of 35 digits) contains 333 as substring.

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 479 ways as a sum of consecutive naturals, for example, 9703774069 + ... + 9703774091.

It is an arithmetic number, because the mean of its divisors is an integer number (310240854).

Almost surely, 2^223186803840 is an apocalyptic number.

223186803840 is a gapful number since it is divisible by the number (20) 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 223186803840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595662439680).

223186803840 is an abundant number, since it is smaller than the sum of its proper divisors (968138075520).

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

223186803840 is a wasteful number, since it uses less digits than its factorization.

223186803840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 223186803840 in words is "two hundred twenty-three billion, one hundred eighty-six million, eight hundred three thousand, eight hundred forty".