60138880 has 32 divisors (see below), whose sum is σ = 143771040. Its totient is φ = 24055296.

The previous prime is 60138851. The next prime is 60138887. The reversal of 60138880 is 8883106.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60138887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46344 + ... + 47623.

It is an arithmetic number, because the mean of its divisors is an integer number (4492845).

Almost surely, 2^60138880 is an apocalyptic number.

It is an amenable number.

60138880 is an abundant number, since it is smaller than the sum of its proper divisors (83632160).

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

60138880 is an equidigital number, since it uses as much as digits as its factorization.

60138880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93986 (or 93974 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 60138880 is about 7754.9261763088. The cubic root of 60138880 is about 391.7885851526.

The spelling of 60138880 in words is "sixty million, one hundred thirty-eight thousand, eight hundred eighty".