60415040 has 84 divisors (see below), whose sum is σ = 167394636. Its totient is φ = 20708352.

The previous prime is 60415037. The next prime is 60415049. The reversal of 60415040 is 4051406.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45914176 + 14500864 = 6776^2 + 3808^2 .

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 (60415049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13754 + ... + 17606.

Almost surely, 2^60415040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83697318).

60415040 is an abundant number, since it is smaller than the sum of its proper divisors (106979596).

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

60415040 is a wasteful number, since it uses less digits than its factorization.

60415040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3867 counting only the distinct ones).

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

The square root of 60415040 is about 7772.7112386863. The cubic root of 60415040 is about 392.3873721770.

Adding to 60415040 its reverse (4051406), we get a palindrome (64466446).

The spelling of 60415040 in words is "sixty million, four hundred fifteen thousand, forty".