60257440 has 24 divisors (see below), whose sum is σ = 142358580. Its totient is φ = 24102912.

The previous prime is 60257411. The next prime is 60257443. The reversal of 60257440 is 4475206.

60257440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54819216 + 5438224 = 7404^2 + 2332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 60257399 and 60257408.

It is not an unprimeable number, because it can be changed into a prime (60257443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188145 + ... + 188464.

Almost surely, 2^60257440 is an apocalyptic number.

It is an amenable number.

60257440 is an abundant number, since it is smaller than the sum of its proper divisors (82101140).

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

60257440 is a wasteful number, since it uses less digits than its factorization.

60257440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376624 (or 376616 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 60257440 is about 7762.5665858658. The cubic root of 60257440 is about 392.0458782899.

The spelling of 60257440 in words is "sixty million, two hundred fifty-seven thousand, four hundred forty".