544420413 has 16 divisors (see below), whose sum is σ = 806937600. Its totient is φ = 362772000.

The previous prime is 544420397. The next prime is 544420421. The reversal of 544420413 is 314024445.

It is a happy number.

544420413 is a `hidden beast` number, since 5 + 444 + 204 + 13 = 666.

It is not a de Polignac number, because 544420413 - 2⁴ = 544420397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544420453) 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, 77668 + ... + 84386.

It is an arithmetic number, because the mean of its divisors is an integer number (50433600).

Almost surely, 2^544420413 is an apocalyptic number.

It is an amenable number.

544420413 is a deficient number, since it is larger than the sum of its proper divisors (262517187).

544420413 is a wasteful number, since it uses less digits than its factorization.

544420413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9723 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 544420413 is about 23332.8183681269. The cubic root of 544420413 is about 816.5412580071.

Adding to 544420413 its reverse (314024445), we get a palindrome (858444858).

The spelling of 544420413 in words is "five hundred forty-four million, four hundred twenty thousand, four hundred thirteen".