5288642664 has 64 divisors (see below), whose sum is σ = 13515690240. Its totient is φ = 1723741440.

The previous prime is 5288642657. The next prime is 5288642677. The reversal of 5288642664 is 4662468825.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962502 + ... + 1965194.

It is an arithmetic number, because the mean of its divisors is an integer number (211182660).

Almost surely, 2^5288642664 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 5288642664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6757845120).

5288642664 is an abundant number, since it is smaller than the sum of its proper divisors (8227047576).

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

5288642664 is a wasteful number, since it uses less digits than its factorization.

5288642664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4486 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 51.

The square root of 5288642664 is about 72723.0545563097. The cubic root of 5288642664 is about 1742.2671227324.

The spelling of 5288642664 in words is "five billion, two hundred eighty-eight million, six hundred forty-two thousand, six hundred sixty-four".