4040426064 has 40 divisors (see below), whose sum is σ = 10659853440. Its totient is φ = 1318152448.

The previous prime is 4040426063. The next prime is 4040426081. The reversal of 4040426064 is 4606240404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040426063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893229 + ... + 897740.

It is an arithmetic number, because the mean of its divisors is an integer number (266496336).

Almost surely, 2^4040426064 is an apocalyptic number.

It is an amenable number.

4040426064 is an abundant number, since it is smaller than the sum of its proper divisors (6619427376).

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

4040426064 is a wasteful number, since it uses less digits than its factorization.

4040426064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791027 (or 1791021 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 4040426064 is about 63564.3458552041. The cubic root of 4040426064 is about 1592.7308349555.

Adding to 4040426064 its reverse (4606240404), we get a palindrome (8646666468).

The spelling of 4040426064 in words is "four billion, forty million, four hundred twenty-six thousand, sixty-four".