5266643382 has 384 divisors, whose sum is σ = 16547328000. Its totient is φ = 1219276800.

The previous prime is 5266643323. The next prime is 5266643387. The reversal of 5266643382 is 2833466625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266643387) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 11729494 + ... + 11729942.

It is an arithmetic number, because the mean of its divisors is an integer number (43092000).

Almost surely, 2^5266643382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5266643382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8273664000).

5266643382 is an abundant number, since it is smaller than the sum of its proper divisors (11280684618).

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

5266643382 is a wasteful number, since it uses less digits than its factorization.

5266643382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 516 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The square root of 5266643382 is about 72571.6430983893. The cubic root of 5266643382 is about 1739.8479831521.

It can be divided in two parts, 5266643 and 382, that added together give a square (5267025 = 2295²).

The spelling of 5266643382 in words is "five billion, two hundred sixty-six million, six hundred forty-three thousand, three hundred eighty-two".