60439561140 has 48 divisors (see below), whose sum is σ = 193406596992. Its totient is φ = 13814756736.

The previous prime is 60439561109. The next prime is 60439561141. The reversal of 60439561140 is 4116593406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60439561141) 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 15 ways as a sum of consecutive naturals, for example, 71951439 + ... + 71952278.

It is an arithmetic number, because the mean of its divisors is an integer number (4029304104).

Almost surely, 2^60439561140 is an apocalyptic number.

60439561140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60439561140 is an abundant number, since it is smaller than the sum of its proper divisors (132967035852).

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

60439561140 is a wasteful number, since it uses less digits than its factorization.

60439561140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143903736 (or 143903734 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 60439561140 in words is "sixty billion, four hundred thirty-nine million, five hundred sixty-one thousand, one hundred forty".