544042240408 has 8 divisors (see below), whose sum is σ = 1020079200780. Its totient is φ = 272021120200.

The previous prime is 544042240403. The next prime is 544042240409. The reversal of 544042240408 is 804042240445.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544042240403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34002640018 + ... + 34002640033.

Almost surely, 2^544042240408 is an apocalyptic number.

It is an amenable number.

544042240408 is a deficient number, since it is larger than the sum of its proper divisors (476036960372).

544042240408 is a wasteful number, since it uses less digits than its factorization.

544042240408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68005280057 (or 68005280053 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

Adding to 544042240408 its sum of digits (37), we get a palindrome (544042240445).

The spelling of 544042240408 in words is "five hundred forty-four billion, forty-two million, two hundred forty thousand, four hundred eight".