60845640 has 128 divisors (see below), whose sum is σ = 190512000. Its totient is φ = 15534080.

The previous prime is 60845639. The next prime is 60845647. The reversal of 60845640 is 4654806.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (60845647) 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 31 ways as a sum of consecutive naturals, for example, 408286 + ... + 408434.

It is an arithmetic number, because the mean of its divisors is an integer number (1488375).

Almost surely, 2^60845640 is an apocalyptic number.

60845640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60845640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95256000).

60845640 is an abundant number, since it is smaller than the sum of its proper divisors (129666360).

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

60845640 is a wasteful number, since it uses less digits than its factorization.

60845640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 60845640 is about 7800.3615300831. The cubic root of 60845640 is about 393.3173953771.

The spelling of 60845640 in words is "sixty million, eight hundred forty-five thousand, six hundred forty".