60518394640 has 40 divisors (see below), whose sum is σ = 153496657728. Its totient is φ = 22006688640.

The previous prime is 60518394623. The next prime is 60518394641. The reversal of 60518394640 is 4649381506.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (60518394641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34384572 + ... + 34386331.

Almost surely, 2^60518394640 is an apocalyptic number.

It is an amenable number.

60518394640 is an abundant number, since it is smaller than the sum of its proper divisors (92978263088).

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

60518394640 is a wasteful number, since it uses less digits than its factorization.

60518394640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68770927 (or 68770921 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 60518394640 in words is "sixty billion, five hundred eighteen million, three hundred ninety-four thousand, six hundred forty".