544840208145 has 48 divisors (see below), whose sum is σ = 971938693440. Its totient is φ = 282182963328.

The previous prime is 544840208093. The next prime is 544840208191. The reversal of 544840208145 is 541802048445.

544840208145 is a `hidden beast` number, since 5 + 4 + 484 + 0 + 20 + 8 + 145 = 666.

It is not a de Polignac number, because 544840208145 - 2¹⁴ = 544840191761 is a prime.

It is a super-2 number, since 2×544840208145² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 544840208145.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479035 + ... + 1148544.

It is an arithmetic number, because the mean of its divisors is an integer number (20248722780).

Almost surely, 2^544840208145 is an apocalyptic number.

It is an amenable number.

544840208145 is a deficient number, since it is larger than the sum of its proper divisors (427098485295).

544840208145 is a wasteful number, since it uses less digits than its factorization.

544840208145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627806 (or 1627803 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 45.

The spelling of 544840208145 in words is "five hundred forty-four billion, eight hundred forty million, two hundred eight thousand, one hundred forty-five".