544243405240345 has 32 divisors (see below), whose sum is σ = 682789947016320. Its totient is φ = 415934192593920.

The previous prime is 544243405240319. The next prime is 544243405240349. The reversal of 544243405240345 is 543042504342445.

It is a de Polignac number, because none of the positive numbers 2^k-544243405240345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544243405240349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36108967 + ... + 48911596.

It is an arithmetic number, because the mean of its divisors is an integer number (21337185844260).

Almost surely, 2^{544243405240345} is an apocalyptic number.

It is an amenable number.

544243405240345 is a deficient number, since it is larger than the sum of its proper divisors (138546541775975).

544243405240345 is a wasteful number, since it uses less digits than its factorization.

544243405240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85021065.

The product of its (nonzero) digits is 18432000, while the sum is 49.

The spelling of 544243405240345 in words is "five hundred forty-four trillion, two hundred forty-three billion, four hundred five million, two hundred forty thousand, three hundred forty-five".