4040241520 has 40 divisors (see below), whose sum is σ = 10735500384. Its totient is φ = 1385225472.

The previous prime is 4040241511. The next prime is 4040241533. The reversal of 4040241520 is 251420404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4040241491 and 4040241500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606799 + ... + 3607918.

Almost surely, 2^4040241520 is an apocalyptic number.

4040241520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040241520 is an abundant number, since it is smaller than the sum of its proper divisors (6695258864).

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

4040241520 is a wasteful number, since it uses less digits than its factorization.

4040241520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214737 (or 7214731 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4040241520 is about 63562.8942072338. The cubic root of 4040241520 is about 1592.7065855826.

Adding to 4040241520 its reverse (251420404), we get a palindrome (4291661924).

The spelling of 4040241520 in words is "four billion, forty million, two hundred forty-one thousand, five hundred twenty".