1868776000 has 448 divisors, whose sum is σ = 6071030784. Its totient is φ = 552960000.

The previous prime is 1868775943. The next prime is 1868776009. The reversal of 1868776000 is 6778681.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (1868776009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12375925 + ... + 12376075.

It is an arithmetic number, because the mean of its divisors is an integer number (13551408).

Almost surely, 2^1868776000 is an apocalyptic number.

1868776000 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 1868776000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035515392).

1868776000 is an abundant number, since it is smaller than the sum of its proper divisors (4202254784).

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

1868776000 is a wasteful number, since it uses less digits than its factorization.

1868776000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1868776000 is about 43229.3418871951. The cubic root of 1868776000 is about 1231.7401065325.

The spelling of 1868776000 in words is "one billion, eight hundred sixty-eight million, seven hundred seventy-six thousand".