2748705835680 has 384 divisors, whose sum is σ = 10997390476800. Its totient is φ = 628128940032.

The previous prime is 2748705835649. The next prime is 2748705835691. The reversal of 2748705835680 is 865385078472.

2748705835680 is a `hidden beast` number, since 2 + 7 + 48 + 7 + 0 + 583 + 5 + 6 + 8 + 0 = 666.

It is a super-2 number, since 2×2748705835680² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180011086 + ... + 180026354.

It is an arithmetic number, because the mean of its divisors is an integer number (28639037700).

Almost surely, 2^{2748705835680} is an apocalyptic number.

2748705835680 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 2748705835680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5498695238400).

2748705835680 is an abundant number, since it is smaller than the sum of its proper divisors (8248684641120).

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

2748705835680 is a wasteful number, since it uses less digits than its factorization.

2748705835680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21253 (or 21239 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 63.

The spelling of 2748705835680 in words is "two trillion, seven hundred forty-eight billion, seven hundred five million, eight hundred thirty-five thousand, six hundred eighty".