5440666264 has 96 divisors (see below), whose sum is σ = 12498116400. Its totient is φ = 2204928000.

The previous prime is 5440666243. The next prime is 5440666303. The reversal of 5440666264 is 4626660445.

It is a self number, because there is not a number n which added to its sum of digits gives 5440666264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303964 + ... + 321364.

Almost surely, 2^5440666264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440666264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249058200).

5440666264 is an abundant number, since it is smaller than the sum of its proper divisors (7057450136).

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

5440666264 is a wasteful number, since it uses less digits than its factorization.

5440666264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The square root of 5440666264 is about 73760.8721748869. The cubic root of 5440666264 is about 1758.8036661608.

The spelling of 5440666264 in words is "five billion, four hundred forty million, six hundred sixty-six thousand, two hundred sixty-four".