5405442844 has 12 divisors (see below), whose sum is σ = 9764671168. Its totient is φ = 2615536800.

The previous prime is 5405442841. The next prime is 5405442851. The reversal of 5405442844 is 4482445045.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5405442797 and 5405442806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405442841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21796017 + ... + 21796264.

Almost surely, 2^5405442844 is an apocalyptic number.

It is an amenable number.

5405442844 is a deficient number, since it is larger than the sum of its proper divisors (4359228324).

5405442844 is a wasteful number, since it uses less digits than its factorization.

5405442844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43592316 (or 43592314 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

The square root of 5405442844 is about 73521.7168189100. The cubic root of 5405442844 is about 1754.9998884208. Note that the first 3 decimals are identical.

Adding to 5405442844 its reverse (4482445045), we get a palindrome (9887887889).

The spelling of 5405442844 in words is "five billion, four hundred five million, four hundred forty-two thousand, eight hundred forty-four".