2798278479360 has 640 divisors, whose sum is σ = 12233527004160. Its totient is φ = 590404681728.

The previous prime is 2798278479317. The next prime is 2798278479431. The reversal of 2798278479360 is 639748728972.

2798278479360 is a `hidden beast` number, since 2 + 7 + 9 + 82 + 78 + 479 + 3 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6067479 + ... + 6512361.

It is an arithmetic number, because the mean of its divisors is an integer number (19114885944).

Almost surely, 2^{2798278479360} is an apocalyptic number.

2798278479360 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 2798278479360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6116763502080).

2798278479360 is an abundant number, since it is smaller than the sum of its proper divisors (9435248524800).

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

2798278479360 is a wasteful number, since it uses less digits than its factorization.

2798278479360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444935 (or 444913 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 72.

The spelling of 2798278479360 in words is "two trillion, seven hundred ninety-eight billion, two hundred seventy-eight million, four hundred seventy-nine thousand, three hundred sixty".