5266768649384 has 128 divisors (see below), whose sum is σ = 11719098403200. Its totient is φ = 2191485911040.

The previous prime is 5266768649327. The next prime is 5266768649393. The reversal of 5266768649384 is 4839468676625.

It is a super-2 number, since 2×5266768649384² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (74).

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 31 ways as a sum of consecutive naturals, for example, 170966927 + ... + 170997729.

It is an arithmetic number, because the mean of its divisors is an integer number (91555456275).

Almost surely, 2^{5266768649384} 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 5266768649384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5859549201600).

5266768649384 is an abundant number, since it is smaller than the sum of its proper divisors (6452329753816).

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

5266768649384 is a wasteful number, since it uses less digits than its factorization.

5266768649384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33963 (or 33959 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 74.

The spelling of 5266768649384 in words is "five trillion, two hundred sixty-six billion, seven hundred sixty-eight million, six hundred forty-nine thousand, three hundred eighty-four".