7179486868640 has 24 divisors (see below), whose sum is σ = 16961537727540. Its totient is φ = 2871794747392.

The previous prime is 7179486868637. The next prime is 7179486868649. The reversal of 7179486868640 is 468686849717.

It can be written as a sum of positive squares in 2 ways, for example, as 6981664736656 + 197822131984 = 2642284^2 + 444772^2 .

It is not an unprimeable number, because it can be changed into a prime (7179486868649) 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, 22435896305 + ... + 22435896624.

Almost surely, 2^{7179486868640} is an apocalyptic number.

It is an amenable number.

7179486868640 is an abundant number, since it is smaller than the sum of its proper divisors (9782050858900).

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

7179486868640 is a wasteful number, since it uses less digits than its factorization.

7179486868640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44871792944 (or 44871792936 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 74.

The spelling of 7179486868640 in words is "seven trillion, one hundred seventy-nine billion, four hundred eighty-six million, eight hundred sixty-eight thousand, six hundred forty".