1868064200 has 48 divisors (see below), whose sum is σ = 4352885460. Its totient is φ = 745568000.

The previous prime is 1868064197. The next prime is 1868064217. The reversal of 1868064200 is 24608681.

It can be written as a sum of positive squares in 6 ways, for example, as 84015556 + 1784048644 = 9166^2 + 42238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82070 + ... + 102330.

Almost surely, 2^1868064200 is an apocalyptic number.

1868064200 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 1868064200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176442730).

1868064200 is an abundant number, since it is smaller than the sum of its proper divisors (2484821260).

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

1868064200 is a wasteful number, since it uses less digits than its factorization.

1868064200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20738 (or 20729 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1868064200 is about 43221.1082689928. The cubic root of 1868064200 is about 1231.5837004237.

The spelling of 1868064200 in words is "one billion, eight hundred sixty-eight million, sixty-four thousand, two hundred".