544646445 has 16 divisors (see below), whose sum is σ = 995925120. Its totient is φ = 248981184.

The previous prime is 544646423. The next prime is 544646449.

544646445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544646445 - 2¹³ = 544638253 is a prime.

It is a super-2 number, since 2×544646445² = 593279500102276050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 544646397 and 544646406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544646449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593450 + ... + 2593659.

It is an arithmetic number, because the mean of its divisors is an integer number (62245320).

Almost surely, 2^544646445 is an apocalyptic number.

It is an amenable number.

544646445 is a deficient number, since it is larger than the sum of its proper divisors (451278675).

544646445 is a wasteful number, since it uses less digits than its factorization.

544646445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187124.

The product of its digits is 921600, while the sum is 42.

The square root of 544646445 is about 23337.6615152418. The cubic root of 544646445 is about 816.6542460048.

The spelling of 544646445 in words is "five hundred forty-four million, six hundred forty-six thousand, four hundred forty-five".