60221537540 has 24 divisors (see below), whose sum is σ = 126480191040. Its totient is φ = 24085765088.

The previous prime is 60221537531. The next prime is 60221537569. The reversal of 60221537540 is 4573512206.

60221537540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 60221537540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 347049.

It is an arithmetic number, because the mean of its divisors is an integer number (5270007960).

Almost surely, 2^60221537540 is an apocalyptic number.

It is an amenable number.

60221537540 is an abundant number, since it is smaller than the sum of its proper divisors (66258653500).

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

60221537540 is a wasteful number, since it uses less digits than its factorization.

60221537540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356251 (or 356249 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 60221537540 in words is "sixty billion, two hundred twenty-one million, five hundred thirty-seven thousand, five hundred forty".