60215240 has 16 divisors (see below), whose sum is σ = 135484380. Its totient is φ = 24086080.

The previous prime is 60215231. The next prime is 60215249. The reversal of 60215240 is 4251206.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60215231) and next prime (60215249).

It can be written as a sum of positive squares in 2 ways, for example, as 59938564 + 276676 = 7742^2 + 526^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (60215249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752651 + ... + 752730.

Almost surely, 2^60215240 is an apocalyptic number.

It is an amenable number.

60215240 is an abundant number, since it is smaller than the sum of its proper divisors (75269140).

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

60215240 is a wasteful number, since it uses less digits than its factorization.

60215240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505392 (or 1505388 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 60215240 is about 7759.8479366544. The cubic root of 60215240 is about 391.9543366218.

Adding to 60215240 its reverse (4251206), we get a palindrome (64466446).

The spelling of 60215240 in words is "sixty million, two hundred fifteen thousand, two hundred forty".