4040252004 has 24 divisors (see below), whose sum is σ = 9457576128. Its totient is φ = 1342419040.

The previous prime is 4040252003. The next prime is 4040252057. The reversal of 4040252004 is 4002520404.

It is not an unprimeable number, because it can be changed into a prime (4040252003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537567 + ... + 545030.

It is an arithmetic number, because the mean of its divisors is an integer number (394065672).

Almost surely, 2^4040252004 is an apocalyptic number.

It is an amenable number.

4040252004 is an abundant number, since it is smaller than the sum of its proper divisors (5417324124).

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

4040252004 is a wasteful number, since it uses less digits than its factorization.

4040252004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082915 (or 1082913 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4040252004 is about 63562.9766766787. The cubic root of 4040252004 is about 1592.7079632166.

Adding to 4040252004 its reverse (4002520404), we get a palindrome (8042772408).

The spelling of 4040252004 in words is "four billion, forty million, two hundred fifty-two thousand, four".