1868806080 has 196 divisors, whose sum is σ = 6672922392. Its totient is φ = 498286080.

The previous prime is 1868806063. The next prime is 1868806099. The reversal of 1868806080 is 806088681.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 27 ways as a sum of consecutive naturals, for example, 229275 + ... + 237285.

Almost surely, 2^1868806080 is an apocalyptic number.

1868806080 is a gapful number since it is divisible by the number (10) 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 1868806080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336461196).

1868806080 is an abundant number, since it is smaller than the sum of its proper divisors (4804116312).

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

1868806080 is an frugal number, since it uses more digits than its factorization.

1868806080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046 (or 8021 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1868806080 is about 43229.6897976379. The cubic root of 1868806080 is about 1231.7467152331.

The spelling of 1868806080 in words is "one billion, eight hundred sixty-eight million, eight hundred six thousand, eighty".