544359816 has 432 divisors, whose sum is σ = 2050317360. Its totient is φ = 128943360.

The previous prime is 544359811. The next prime is 544359821. The reversal of 544359816 is 618953445.

544359816 is a `hidden beast` number, since 5 + 4 + 43 + 598 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (544359811) and next prime (544359821).

It is not an unprimeable number, because it can be changed into a prime (544359811) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 6558511 + ... + 6558593.

It is an arithmetic number, because the mean of its divisors is an integer number (4746105).

Almost surely, 2^544359816 is an apocalyptic number.

544359816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544359816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1025158680).

544359816 is an abundant number, since it is smaller than the sum of its proper divisors (1505957544).

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

544359816 is a wasteful number, since it uses less digits than its factorization.

544359816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 119 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 544359816 is about 23331.5197961899. The cubic root of 544359816 is about 816.5109616985.

The spelling of 544359816 in words is "five hundred forty-four million, three hundred fifty-nine thousand, eight hundred sixteen".