4040025005 has 24 divisors (see below), whose sum is σ = 5254992792. Its totient is φ = 2979110016.

The previous prime is 4040024987. The next prime is 4040025007. The reversal of 4040025005 is 5005200404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2025990121 + 2014034884 = 45011^2 + 44878^2 .

It is not a de Polignac number, because 4040025005 - 2²⁰ = 4038976429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040025007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36539 + ... + 97031.

It is an arithmetic number, because the mean of its divisors is an integer number (218958033).

Almost surely, 2^4040025005 is an apocalyptic number.

It is an amenable number.

4040025005 is a deficient number, since it is larger than the sum of its proper divisors (1214967787).

4040025005 is a wasteful number, since it uses less digits than its factorization.

4040025005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60573 (or 60554 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4040025005 is about 63561.1910288031. The cubic root of 4040025005 is about 1592.6781342285.

Adding to 4040025005 its reverse (5005200404), we get a palindrome (9045225409).

The spelling of 4040025005 in words is "four billion, forty million, twenty-five thousand, five".