60440721012 has 144 divisors (see below), whose sum is σ = 177688877184. Its totient is φ = 16964640000.

The previous prime is 60440720969. The next prime is 60440721013. The reversal of 60440721012 is 21012704406.

60440721012 is a `hidden beast` number, since 6 + 0 + 440 + 7 + 210 + 1 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60440721013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15692887 + ... + 15696737.

It is an arithmetic number, because the mean of its divisors is an integer number (1233950536).

Almost surely, 2^60440721012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60440721012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88844438592).

60440721012 is an abundant number, since it is smaller than the sum of its proper divisors (117248156172).

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

60440721012 is a wasteful number, since it uses less digits than its factorization.

60440721012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 60440721012 in words is "sixty billion, four hundred forty million, seven hundred twenty-one thousand, twelve".