3276726723648 has 896 divisors, whose sum is σ = 11460870144000. Its totient is φ = 917505792000.

The previous prime is 3276726723553. The next prime is 3276726723653. The reversal of 3276726723648 is 8463276276723.

It is a happy number.

3276726723648 is a `hidden beast` number, since 3 + 2 + 7 + 6 + 7 + 267 + 2 + 364 + 8 = 666.

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

It is a nude number because it is divisible by every one of its digits.

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 127 ways as a sum of consecutive naturals, for example, 7602613993 + ... + 7602614423.

Almost surely, 2^{3276726723648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3276726723648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5730435072000).

3276726723648 is an abundant number, since it is smaller than the sum of its proper divisors (8184143420352).

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

3276726723648 is a wasteful number, since it uses less digits than its factorization.

3276726723648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 671 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 63.

The spelling of 3276726723648 in words is "three trillion, two hundred seventy-six billion, seven hundred twenty-six million, seven hundred twenty-three thousand, six hundred forty-eight".