2322640256 has 64 divisors (see below), whose sum is σ = 4953528000. Its totient is φ = 1081483776.

The previous prime is 2322640231. The next prime is 2322640267. The reversal of 2322640256 is 6520462232.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135395 + ... + 151581.

It is an arithmetic number, because the mean of its divisors is an integer number (77398875).

Almost surely, 2^2322640256 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 2322640256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476764000).

2322640256 is an abundant number, since it is smaller than the sum of its proper divisors (2630887744).

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

2322640256 is a wasteful number, since it uses less digits than its factorization.

2322640256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16279 (or 16267 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2322640256 is about 48193.7781876458. The cubic root of 2322640256 is about 1324.3231869863.

The spelling of 2322640256 in words is "two billion, three hundred twenty-two million, six hundred forty thousand, two hundred fifty-six".