5644445134 has 16 divisors (see below), whose sum is σ = 8854940160. Its totient is φ = 2693358360.

The previous prime is 5644445087. The next prime is 5644445137. The reversal of 5644445134 is 4315444465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644445137) 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, 119562 + ... + 159949.

It is an arithmetic number, because the mean of its divisors is an integer number (553433760).

Almost surely, 2^5644445134 is an apocalyptic number.

5644445134 is a deficient number, since it is larger than the sum of its proper divisors (3210495026).

5644445134 is a wasteful number, since it uses less digits than its factorization.

5644445134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279975.

The product of its digits is 460800, while the sum is 40.

The square root of 5644445134 is about 75129.5223863429. The cubic root of 5644445134 is about 1780.4936069520.

Adding to 5644445134 its reverse (4315444465), we get a palindrome (9959889599).

The spelling of 5644445134 in words is "five billion, six hundred forty-four million, four hundred forty-five thousand, one hundred thirty-four".