5440124660 has 24 divisors (see below), whose sum is σ = 11425889160. Its totient is φ = 2175739904.

The previous prime is 5440124659. The next prime is 5440124663. The reversal of 5440124660 is 664210445.

It can be written as a sum of positive squares in 4 ways, for example, as 314423824 + 5125700836 = 17732^2 + 71594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440124663) 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, 169412 + ... + 198948.

It is an arithmetic number, because the mean of its divisors is an integer number (476078715).

Almost surely, 2^5440124660 is an apocalyptic number.

It is an amenable number.

5440124660 is an abundant number, since it is smaller than the sum of its proper divisors (5985764500).

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

5440124660 is a wasteful number, since it uses less digits than its factorization.

5440124660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38755 (or 38753 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 5440124660 is about 73757.2007332166. The cubic root of 5440124660 is about 1758.7453027996.

The spelling of 5440124660 in words is "five billion, four hundred forty million, one hundred twenty-four thousand, six hundred sixty".