7814764660540 has 48 divisors (see below), whose sum is σ = 16467292447200. Its totient is φ = 3115199619072.

The previous prime is 7814764660519. The next prime is 7814764660541. The reversal of 7814764660540 is 450664674187.

It is a super-2 number, since 2×7814764660540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7814764660541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7866652 + ... + 8804188.

It is an arithmetic number, because the mean of its divisors is an integer number (343068592650).

Almost surely, 2^{7814764660540} is an apocalyptic number.

It is an amenable number.

7814764660540 is an abundant number, since it is smaller than the sum of its proper divisors (8652527786660).

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

7814764660540 is a wasteful number, since it uses less digits than its factorization.

7814764660540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938974 (or 938972 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 7814764660540 in words is "seven trillion, eight hundred fourteen billion, seven hundred sixty-four million, six hundred sixty thousand, five hundred forty".