7323056640 has 320 divisors, whose sum is σ = 26516160000. Its totient is φ = 1915011072.

The previous prime is 7323056639. The next prime is 7323056669. The reversal of 7323056640 is 466503237.

7323056640 is a `hidden beast` number, since 7 + 3 + 2 + 3 + 0 + 5 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

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 = 7323056595 and 7323056604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3662361 + ... + 3664359.

It is an arithmetic number, because the mean of its divisors is an integer number (82863000).

Almost surely, 2^7323056640 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 7323056640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13258080000).

7323056640 is an abundant number, since it is smaller than the sum of its proper divisors (19193103360).

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

7323056640 is a wasteful number, since it uses less digits than its factorization.

7323056640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 7323056640 is about 85574.8598596574. The cubic root of 7323056640 is about 1941.9175994364.

Adding to 7323056640 its reverse (466503237), we get a palindrome (7789559877).

The spelling of 7323056640 in words is "seven billion, three hundred twenty-three million, fifty-six thousand, six hundred forty".