4040040522 has 64 divisors (see below), whose sum is σ = 9304139520. Its totient is φ = 1145616384.

The previous prime is 4040040503. The next prime is 4040040527. The reversal of 4040040522 is 2250400404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4040040527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3987688 + ... + 3988700.

It is an arithmetic number, because the mean of its divisors is an integer number (145377180).

Almost surely, 2^4040040522 is an apocalyptic number.

4040040522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4040040522 is an abundant number, since it is smaller than the sum of its proper divisors (5264098998).

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

4040040522 is a wasteful number, since it uses less digits than its factorization.

4040040522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647.

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

The square root of 4040040522 is about 63561.3130921632. The cubic root of 4040040522 is about 1592.6801732881.

Adding to 4040040522 its reverse (2250400404), we get a palindrome (6290440926).

The spelling of 4040040522 in words is "four billion, forty million, forty thousand, five hundred twenty-two".