7340645140 has 12 divisors (see below), whose sum is σ = 15415354836. Its totient is φ = 2936258048.

The previous prime is 7340645119. The next prime is 7340645141. The reversal of 7340645140 is 415460437.

It can be written as a sum of positive squares in 2 ways, for example, as 2447083024 + 4893562116 = 49468^2 + 69954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7340645096 and 7340645105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7340645141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183516109 + ... + 183516148.

It is an arithmetic number, because the mean of its divisors is an integer number (1284612903).

Almost surely, 2^7340645140 is an apocalyptic number.

It is an amenable number.

7340645140 is an abundant number, since it is smaller than the sum of its proper divisors (8074709696).

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

7340645140 is a wasteful number, since it uses less digits than its factorization.

7340645140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367032266 (or 367032264 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 7340645140 is about 85677.5649747354. The cubic root of 7340645140 is about 1943.4710540936.

The spelling of 7340645140 in words is "seven billion, three hundred forty million, six hundred forty-five thousand, one hundred forty".