2678493000 has 256 divisors, whose sum is σ = 8755568640. Its totient is φ = 680928000.

The previous prime is 2678492989. The next prime is 2678493001. The reversal of 2678493000 is 3948762.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2678493000.

It is not an unprimeable number, because it can be changed into a prime (2678493001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7718827 + ... + 7719173.

It is an arithmetic number, because the mean of its divisors is an integer number (34201440).

Almost surely, 2^2678493000 is an apocalyptic number.

2678493000 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 2678493000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4377784320).

2678493000 is an abundant number, since it is smaller than the sum of its proper divisors (6077075640).

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

2678493000 is a wasteful number, since it uses less digits than its factorization.

2678493000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 2678493000 is about 51754.1592531460. The cubic root of 2678493000 is about 1388.7695060646.

The spelling of 2678493000 in words is "two billion, six hundred seventy-eight million, four hundred ninety-three thousand".