5606745444 has 18 divisors (see below), whose sum is σ = 14172606630. Its totient is φ = 1868915136.

The previous prime is 5606745433. The next prime is 5606745451. The reversal of 5606745444 is 4445476065.

5606745444 is a `hidden beast` number, since 560 + 6 + 7 + 45 + 4 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5247263844 + 359481600 = 72438^2 + 18960^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 5606745444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77871429 + ... + 77871500.

It is an arithmetic number, because the mean of its divisors is an integer number (787367035).

Almost surely, 2^5606745444 is an apocalyptic number.

It is an amenable number.

5606745444 is an abundant number, since it is smaller than the sum of its proper divisors (8565861186).

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

5606745444 is a wasteful number, since it uses less digits than its factorization.

5606745444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155742939 (or 155742934 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The square root of 5606745444 is about 74878.2040650015. The cubic root of 5606745444 is about 1776.5207300966.

The spelling of 5606745444 in words is "five billion, six hundred six million, seven hundred forty-five thousand, four hundred forty-four".