544042155043545 has 16 divisors (see below), whose sum is σ = 870467986745280. Its totient is φ = 290155636464704.

The previous prime is 544042155043523. The next prime is 544042155043579. The reversal of 544042155043545 is 545340551240445.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 544042155043545 - 2³⁰ = 544041081301721 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15946411 + ... + 36638399.

It is an arithmetic number, because the mean of its divisors is an integer number (54404249171580).

Almost surely, 2^{544042155043545} is an apocalyptic number.

It is an amenable number.

544042155043545 is a deficient number, since it is larger than the sum of its proper divisors (326425831701735).

544042155043545 is a wasteful number, since it uses less digits than its factorization.

544042155043545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22444824.

The product of its (nonzero) digits is 19200000, while the sum is 51.

The spelling of 544042155043545 in words is "five hundred forty-four trillion, forty-two billion, one hundred fifty-five million, forty-three thousand, five hundred forty-five".