2678828340 has 48 divisors (see below), whose sum is σ = 7507019520. Its totient is φ = 713754240.

The previous prime is 2678828323. The next prime is 2678828381. The reversal of 2678828340 is 438288762.

It is a happy number.

It is a super-2 number, since 2×2678828340² = 14352242550374311200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2678828340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55726 + ... + 91994.

It is an arithmetic number, because the mean of its divisors is an integer number (156396240).

Almost surely, 2^2678828340 is an apocalyptic number.

2678828340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678828340 is an abundant number, since it is smaller than the sum of its proper divisors (4828191180).

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

2678828340 is a wasteful number, since it uses less digits than its factorization.

2678828340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37512 (or 37510 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 2678828340 is about 51757.3988913662. The cubic root of 2678828340 is about 1388.8274603611.

The spelling of 2678828340 in words is "two billion, six hundred seventy-eight million, eight hundred twenty-eight thousand, three hundred forty".