4040042424 has 32 divisors (see below), whose sum is σ = 11018298240. Its totient is φ = 1224255200.

The previous prime is 4040042423. The next prime is 4040042429. The reversal of 4040042424 is 4242400404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 4040042394 and 4040042403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040042423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651332 + ... + 7651859.

It is an arithmetic number, because the mean of its divisors is an integer number (344321820).

Almost surely, 2^4040042424 is an apocalyptic number.

4040042424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4040042424 is an abundant number, since it is smaller than the sum of its proper divisors (6978255816).

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

4040042424 is a wasteful number, since it uses less digits than its factorization.

4040042424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303211 (or 15303207 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4040042424 is about 63561.3280540928. The cubic root of 4040042424 is about 1592.6804232259.

Adding to 4040042424 its reverse (4242400404), we get a palindrome (8282442828).

The spelling of 4040042424 in words is "four billion, forty million, forty-two thousand, four hundred twenty-four".