2659323264 has 128 divisors (see below), whose sum is σ = 7721710080. Its totient is φ = 805939200.

The previous prime is 2659323257. The next prime is 2659323301. The reversal of 2659323264 is 4623239562.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2659323264² = 14144000444903227392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330489 + ... + 338439.

It is an arithmetic number, because the mean of its divisors is an integer number (60325860).

Almost surely, 2^2659323264 is an apocalyptic number.

2659323264 is a gapful number since it is divisible by the number (24) 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 2659323264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3860855040).

2659323264 is an abundant number, since it is smaller than the sum of its proper divisors (5062386816).

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

2659323264 is a wasteful number, since it uses less digits than its factorization.

2659323264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048 (or 8036 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 2659323264 is about 51568.6267414598. The cubic root of 2659323264 is about 1385.4484707184.

The spelling of 2659323264 in words is "two billion, six hundred fifty-nine million, three hundred twenty-three thousand, two hundred sixty-four".