60308640 has 288 divisors, whose sum is σ = 244048896. Its totient is φ = 13271040.

The previous prime is 60308629. The next prime is 60308669. The reversal of 60308640 is 4680306.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 312384 + ... + 312576.

It is an arithmetic number, because the mean of its divisors is an integer number (847392).

Almost surely, 2^60308640 is an apocalyptic number.

60308640 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 60308640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122024448).

60308640 is an abundant number, since it is smaller than the sum of its proper divisors (183740256).

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

60308640 is a wasteful number, since it uses less digits than its factorization.

60308640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 60308640 is about 7765.8637639351. The cubic root of 60308640 is about 392.1568856967.

Adding to 60308640 its reverse (4680306), we get a palindrome (64988946).

The spelling of 60308640 in words is "sixty million, three hundred eight thousand, six hundred forty".