2718378880 has 192 divisors, whose sum is σ = 8005878000. Its totient is φ = 877019136.

The previous prime is 2718378877. The next prime is 2718378881. The reversal of 2718378880 is 888738172.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718378881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530571 + ... + 535669.

Almost surely, 2^2718378880 is an apocalyptic number.

2718378880 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 2718378880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4002939000).

2718378880 is an abundant number, since it is smaller than the sum of its proper divisors (5287499120).

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

2718378880 is a wasteful number, since it uses less digits than its factorization.

2718378880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 52.

The square root of 2718378880 is about 52138.0751466718. The cubic root of 2718378880 is about 1395.6290341959.

The spelling of 2718378880 in words is "two billion, seven hundred eighteen million, three hundred seventy-eight thousand, eight hundred eighty".