544718642 has 8 divisors (see below), whose sum is σ = 879930156. Its totient is φ = 251408592.

The previous prime is 544718633. The next prime is 544718651. The reversal of 544718642 is 246817445.

It is an interprime number because it is at equal distance from previous prime (544718633) and next prime (544718651).

It can be written as a sum of positive squares in 2 ways, for example, as 530887681 + 13830961 = 23041^2 + 3719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 544718642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10475333 + ... + 10475384.

Almost surely, 2^544718642 is an apocalyptic number.

544718642 is a deficient number, since it is larger than the sum of its proper divisors (335211514).

544718642 is a wasteful number, since it uses less digits than its factorization.

544718642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20950732.

The product of its digits is 215040, while the sum is 41.

The square root of 544718642 is about 23339.2082556371. The cubic root of 544718642 is about 816.6903289733.

The spelling of 544718642 in words is "five hundred forty-four million, seven hundred eighteen thousand, six hundred forty-two".