5440231664 has 60 divisors (see below), whose sum is σ = 12656922048. Its totient is φ = 2256307200.

The previous prime is 5440231663. The next prime is 5440231669. The reversal of 5440231664 is 4661320445.

It is a super-2 number, since 2×5440231664² = 59192241115976417792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440231663) 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 11 ways as a sum of consecutive naturals, for example, 87617 + ... + 136224.

Almost surely, 2^5440231664 is an apocalyptic number.

It is an amenable number.

5440231664 is an abundant number, since it is smaller than the sum of its proper divisors (7216690384).

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

5440231664 is a wasteful number, since it uses less digits than its factorization.

5440231664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223894 (or 223881 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 5440231664 is about 73757.9261096731. The cubic root of 5440231664 is about 1758.7568338802.

The spelling of 5440231664 in words is "five billion, four hundred forty million, two hundred thirty-one thousand, six hundred sixty-four".