5440664001 has 16 divisors (see below), whose sum is σ = 7454741504. Its totient is φ = 3526965504.

The previous prime is 5440663999. The next prime is 5440664039. The reversal of 5440664001 is 1004660445.

It is not a de Polignac number, because 5440664001 - 2¹ = 5440663999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440664001.

It is not an unprimeable number, because it can be changed into a prime (5440664051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183456 + ... + 211038.

It is an arithmetic number, because the mean of its divisors is an integer number (465921344).

Almost surely, 2^5440664001 is an apocalyptic number.

It is an amenable number.

5440664001 is a deficient number, since it is larger than the sum of its proper divisors (2014077503).

5440664001 is a wasteful number, since it uses less digits than its factorization.

5440664001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29400.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5440664001 is about 73760.8568347738. The cubic root of 5440664001 is about 1758.8034223075.

The spelling of 5440664001 in words is "five billion, four hundred forty million, six hundred sixty-four thousand, one".