2326544640 has 576 divisors, whose sum is σ = 9654220800. Its totient is φ = 519561216.

The previous prime is 2326544611. The next prime is 2326544653. The reversal of 2326544640 is 464456232.

2326544640 is a `hidden beast` number, since 2 + 3 + 2 + 6 + 5 + 4 + 4 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2326544595 and 2326544604.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14273199 + ... + 14273361.

It is an arithmetic number, because the mean of its divisors is an integer number (16760800).

Almost surely, 2^2326544640 is an apocalyptic number.

2326544640 is a gapful number since it is divisible by the number (20) 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 2326544640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4827110400).

2326544640 is an abundant number, since it is smaller than the sum of its proper divisors (7327676160).

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

2326544640 is a wasteful number, since it uses less digits than its factorization.

2326544640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 2326544640 is about 48234.2683162086. The cubic root of 2326544640 is about 1325.0648388824.

The spelling of 2326544640 in words is "two billion, three hundred twenty-six million, five hundred forty-four thousand, six hundred forty".