2678860800 has 792 divisors, whose sum is σ = 12037539072. Its totient is φ = 552960000.

The previous prime is 2678860783. The next prime is 2678860841. The reversal of 2678860800 is 80688762.

It is a tau number, because it is divible by the number of its divisors (792).

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

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 17740725 + ... + 17740875.

Almost surely, 2^2678860800 is an apocalyptic number.

2678860800 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 2678860800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6018769536).

2678860800 is an abundant number, since it is smaller than the sum of its proper divisors (9358678272).

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

2678860800 is a wasteful number, since it uses less digits than its factorization.

2678860800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2678860800 is about 51757.7124687713. The cubic root of 2678860800 is about 1388.8330699226.

The spelling of 2678860800 in words is "two billion, six hundred seventy-eight million, eight hundred sixty thousand, eight hundred".