7316810640 has 120 divisors (see below), whose sum is σ = 24670795968. Its totient is φ = 1943328000.

The previous prime is 7316810621. The next prime is 7316810647. The reversal of 7316810640 is 460186137.

7316810640 is a `hidden beast` number, since 7 + 3 + 1 + 6 + 8 + 1 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 7316810595 and 7316810604.

It is not an unprimeable number, because it can be changed into a prime (7316810647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160477 + ... + 200963.

Almost surely, 2^7316810640 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 7316810640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12335397984).

7316810640 is an abundant number, since it is smaller than the sum of its proper divisors (17353985328).

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

7316810640 is a wasteful number, since it uses less digits than its factorization.

7316810640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40757 (or 40748 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7316810640 is about 85538.3577116138. The cubic root of 7316810640 is about 1941.3653406377.

Adding to 7316810640 its reverse (460186137), we get a palindrome (7776996777).

The spelling of 7316810640 in words is "seven billion, three hundred sixteen million, eight hundred ten thousand, six hundred forty".