5440350664 has 32 divisors (see below), whose sum is σ = 11668691520. Its totient is φ = 2329419456.

The previous prime is 5440350661. The next prime is 5440350677. The reversal of 5440350664 is 4660530445.

It is not an unprimeable number, because it can be changed into a prime (5440350661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16767 + ... + 105649.

It is an arithmetic number, because the mean of its divisors is an integer number (364646610).

Almost surely, 2^5440350664 is an apocalyptic number.

It is an amenable number.

5440350664 is an abundant number, since it is smaller than the sum of its proper divisors (6228340856).

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

5440350664 is a wasteful number, since it uses less digits than its factorization.

5440350664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89989 (or 89985 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 5440350664 is about 73758.7327982253. The cubic root of 5440350664 is about 1758.7696575092.

The spelling of 5440350664 in words is "five billion, four hundred forty million, three hundred fifty thousand, six hundred sixty-four".