60240015 has 24 divisors (see below), whose sum is σ = 113909328. Its totient is φ = 29207040.

The previous prime is 60239987. The next prime is 60240017. The reversal of 60240015 is 51004206.

It is a happy number.

It is not a de Polignac number, because 60240015 - 2⁵ = 60239983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60240015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60240017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60354 + ... + 61343.

It is an arithmetic number, because the mean of its divisors is an integer number (4746222).

Almost surely, 2^60240015 is an apocalyptic number.

60240015 is a deficient number, since it is larger than the sum of its proper divisors (53669313).

60240015 is a wasteful number, since it uses less digits than its factorization.

60240015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121719 (or 121716 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 60240015 is about 7761.4441310880. Note that the first 3 decimals coincide. The cubic root of 60240015 is about 392.0080845723.

The spelling of 60240015 in words is "sixty million, two hundred forty thousand, fifteen".