4140505524 has 12 divisors (see below), whose sum is σ = 9661179584. Its totient is φ = 1380168504.

The previous prime is 4140505513. The next prime is 4140505529. The reversal of 4140505524 is 4255050414.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 4140505491 and 4140505500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140505529) 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, 172521052 + ... + 172521075.

Almost surely, 2^4140505524 is an apocalyptic number.

It is an amenable number.

4140505524 is an abundant number, since it is smaller than the sum of its proper divisors (5520674060).

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

4140505524 is a wasteful number, since it uses less digits than its factorization.

4140505524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345042134 (or 345042132 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4140505524 is about 64346.7600116742. The cubic root of 4140505524 is about 1605.7741271969.

Adding to 4140505524 its reverse (4255050414), we get a palindrome (8395555938).

The spelling of 4140505524 in words is "four billion, one hundred forty million, five hundred five thousand, five hundred twenty-four".