4002040424 has 16 divisors (see below), whose sum is σ = 7508894400. Its totient is φ = 1999668592.

The previous prime is 4002040423. The next prime is 4002040439. The reversal of 4002040424 is 4240402004.

It is a junction number, because it is equal to n+sod(n) for n = 4002040396 and 4002040405.

It is not an unprimeable number, because it can be changed into a prime (4002040423) 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, 156314 + ... + 180105.

It is an arithmetic number, because the mean of its divisors is an integer number (469305900).

Almost surely, 2^4002040424 is an apocalyptic number.

It is an amenable number.

4002040424 is a deficient number, since it is larger than the sum of its proper divisors (3506853976).

4002040424 is a wasteful number, since it uses less digits than its factorization.

4002040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337912 (or 337908 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4002040424 is about 63261.6821148474. The cubic root of 4002040424 is about 1587.6709203532.

Adding to 4002040424 its reverse (4240402004), we get a palindrome (8242442428).

The spelling of 4002040424 in words is "four billion, two million, forty thousand, four hundred twenty-four".