5440126165 has 4 divisors (see below), whose sum is σ = 6528151404. Its totient is φ = 4352100928.

The previous prime is 5440126127. The next prime is 5440126183. The reversal of 5440126165 is 5616210445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3812568516 + 1627557649 = 61746^2 + 40343^2 .

It is a cyclic number.

It is not a de Polignac number, because 5440126165 - 2¹³ = 5440117973 is a prime.

It is a super-2 number, since 2×5440126165² = 59189945382235214450, which contains 22 as substring.

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 5440126165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544012612 + ... + 544012621.

It is an arithmetic number, because the mean of its divisors is an integer number (1632037851).

Almost surely, 2^5440126165 is an apocalyptic number.

It is an amenable number.

5440126165 is a deficient number, since it is larger than the sum of its proper divisors (1088025239).

5440126165 is a wasteful number, since it uses less digits than its factorization.

5440126165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088025238.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 5440126165 is about 73757.2109356095. The cubic root of 5440126165 is about 1758.7454649840.

The spelling of 5440126165 in words is "five billion, four hundred forty million, one hundred twenty-six thousand, one hundred sixty-five".