60721250040 has 96 divisors (see below), whose sum is σ = 215284446000. Its totient is φ = 14720302080.

The previous prime is 60721249993. The next prime is 60721250041. The reversal of 60721250040 is 4005212706.

60721250040 is a `hidden beast` number, since 607 + 2 + 1 + 2 + 50 + 0 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 60721249986 and 60721250013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60721250041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7662865 + ... + 7670784.

Almost surely, 2^60721250040 is an apocalyptic number.

60721250040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60721250040 is an abundant number, since it is smaller than the sum of its proper divisors (154563195960).

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

60721250040 is a wasteful number, since it uses less digits than its factorization.

60721250040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15333677 (or 15333670 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 60721250040 its reverse (4005212706), we get a palindrome (64726462746).

The spelling of 60721250040 in words is "sixty billion, seven hundred twenty-one million, two hundred fifty thousand, forty".