7310640940 has 12 divisors (see below), whose sum is σ = 15352346016. Its totient is φ = 2924256368.

The previous prime is 7310640923. The next prime is 7310640941. The reversal of 7310640940 is 490460137.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7310640896 and 7310640905.

It is not an unprimeable number, because it can be changed into a prime (7310640941) 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, 182766004 + ... + 182766043.

It is an arithmetic number, because the mean of its divisors is an integer number (1279362168).

Almost surely, 2^7310640940 is an apocalyptic number.

It is an amenable number.

7310640940 is an abundant number, since it is smaller than the sum of its proper divisors (8041705076).

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

7310640940 is a wasteful number, since it uses less digits than its factorization.

7310640940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365532056 (or 365532054 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 7310640940 is about 85502.2861682657. The cubic root of 7310640940 is about 1940.8195194908.

The spelling of 7310640940 in words is "seven billion, three hundred ten million, six hundred forty thousand, nine hundred forty".