4115512240 has 80 divisors (see below), whose sum is σ = 11085415488. Its totient is φ = 1391689728.

The previous prime is 4115512207. The next prime is 4115512243. The reversal of 4115512240 is 422155114.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4115512243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9457 + ... + 91216.

Almost surely, 2^4115512240 is an apocalyptic number.

4115512240 is a gapful number since it is divisible by the number (40) 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 4115512240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5542707744).

4115512240 is an abundant number, since it is smaller than the sum of its proper divisors (6969903248).

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

4115512240 is a wasteful number, since it uses less digits than its factorization.

4115512240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100766 (or 100760 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 4115512240 is about 64152.2582611088. The cubic root of 4115512240 is about 1602.5366325593.

Adding to 4115512240 its reverse (422155114), we get a palindrome (4537667354).

The spelling of 4115512240 in words is "four billion, one hundred fifteen million, five hundred twelve thousand, two hundred forty".